User Panel
User Panel
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NC, USA
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Posted: 2/10/2023 8:33:09 AM EDT
[#1]
Quote HistoryOriginally Posted By xxlitupxx56: Nice, maybe try other mags as well. My 6.75" wouldn't run well with Lancer 300blk or 556 mags, but with PMAGS, OKAY Surefeed E1/E2, and USGIs I had much less problems suppressed and unsuppressed. 300blk PMAGs or 556 PMAGs? |
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TX, USA
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Posted: 2/11/2023 1:27:09 PM EDT
[#2]
Quote HistoryOriginally Posted By Tacticool_Duck: Thinking about selling that LVAW handguard from ALTRD. Anyone have an idea what they are selling for these days? Emailed. |
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Posted: 2/16/2023 4:44:25 AM EDT
[Last Edit: GLD1980]
[#3]
Quote HistoryOriginally Posted By 0331OC: At the current setup, this is at 10.4 lbs. Just waiting on my TBAC Dominus K, which will be about 5oz lighter than the Saker 556K, a significant improvement to weight distribution.  Attached File@0331OC I have been reading through this entire thread and half way through found your MCX, and it deserves a repost! It is very fucking sexy! ETA... @goloud Man brother you really have an amazing collection of SIG's. Can you repost a pic of your anodized Rattler! |
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Posted: 2/24/2023 7:44:07 PM EDT
[Last Edit: SMFdarkangel]
[#4]
Quote HistoryOriginally Posted By SMFdarkangel: Huge shoutout to @Subpar for sending me his F03 to play with. Will post an update once it arrives. Intro: I've been crazy busy with work (12 hour days and weekends) but I wanted to post an update on the LVAW saga. Apologies for the lack of photos/video but the weather was in the high 30's with 10-15 mph winds. I couldn't feel my fingers and everything kept blowing away. Rifle: Factory MCX Virtus TACOPS (6.75" barrel w/F01 gas valve*). I purchased this rifle brand new and have put an estimated <100 rounds through it. I've added an ALTRD LVAW rail, CGS Hyperion suppressor, and swapped the brace for the MCX telescoping/folding stock. Everything else is factory stock exactly as I received it from SIG. Previous suppressors used include the Surefire SOCOM762-RC and SOCOM300-SPS. Both were mounted via Surefire SOCOM 3-Prong Flash Hider while I waited for my Hyperion to clear. Magazines: Lancer L5AWM 300BLK Translucent Smoke (30rd), Magpul PMAG 30 AR 300 B GEN M3 (30rd), Magpul PMAG 30 AR 300 B GEN M3 (20rd) Ammunition: Ammo Inc. 220gr stelTH Subsonic TMC (300B220TMC-STL), Winchester 200gr Open Tip Range Subsonic (USA300BLKX)**, Winchester 200gr Super Suppressed Open Tip Range Subsonic (SUP300BLK)**, Barnes 110gr TAC-TX Supersonic (Black Tip)**, Wilson Combat 110gr TAC-TX Supersonic (Black Tip)** Controls: I completely disassembled the rifle and removed the barrel to deep clean before starting the test. The BCG, received, chamber and bore were thoroughly cleaned and inspected prior to testing. To control for the magazine variable, I loaded a sample of 8 magazines (see above) with 3 rds/ea of Ammo Inc. 220gr stelTH. This was done to test the ability of the rifle to successfully eject and chamber additional rounds and also test for lock back after the last round was fired. Each magazine was inserted with the bolt locked to the rear. Test: I started with a 20rd PMAG. The first round chambered and cycled successfully. (This was typical of previous tests with the F01 on the + setting. I speculate this phenomenon is caused by the ignition of oxygen inside the silencer providing more backpressure within the system.) The second round fired and ejected successfully but did not chamber a new round. I attempted to manually cycle the bolt to chamber the third round. However, the third round stuck in the chamber and the bolt was visually out-of-battery (by approx. 1/4"). (This has been a frequent phenomenon, which I previously attributed to a dirty chamber or bad ammo. However, recently testing leads me to believe the chamber is actually out of spec since all 300BLK ammo I've tried has experienced this issue to some degree or another, even with a completely clean chamber/throat.) I attempted to remove the stuck round but it would not budge. I had to mortar the rifle 5-10 times to remove it. Once the round was successfully removed, I switched to a 30rd PMAG and experienced the same issue. Another 5-10 mortar strikes, removed the round, and attempted to chamber the round. Eventually, I was able to get another round to close in the chamber. The round fired and ejected but did not chamber another round. I experienced another failure to chamber and repeated the mortaring process. I was able to fire a fourth round, which ejected but did not chamber a new round. I switched to a 30rd Lancer but experienced another failure to chamber. After 5 minutes and another 10-15 mortar attempts to remove this round, I decided to end the test. Notes: I've had the same chambering issue with all five loads listed above over the period that I've owned this rifle. I primarily shoot 5.56 and 6ARC and this LVAW clone has been a backburner project, not a duty or defense rifle. The most I've ever shot in one session is 10-15 rounds. Keep in mind that subsonic 300BLK reached over $2/rd following the pandemic and I don't have a large stash of 300BLK ammo. I also waited about 280 days for my Hyperion to clear so I could finish this build. As of today, this is the least reliable gun I own and it will be going back to SIG for warranty service as soon as I get the go-ahead from CS. *For this particular test, the F03 gas valve from @Subpar was used on the + (subsonic/adverse) setting. **This ammo was not fired during this particular test but is mentioned for reference. See notes above. |
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Posted: 2/24/2023 7:55:11 PM EDT
[Last Edit: SMFdarkangel]
[#5]
Before everyone asks, I have pulled the barrel and tried manually inserting different rounds into the chamber. Even with a completely clean chamber the fit is snug and the rounds have to be pushed forward to seat and will not drop free on their own. I think the size of the chamber coupled with fouling after firing a few rounds is what causes the gun to seize up. This is not something I've experienced with 5.56 or 6ARC and it was not my experience with my 300BLK BCM upper (although that chamber was chrome-lined). After trying the F03 gas valve, I'm starting to wonder if the chamber is the culprit here. I also believe someone posted about having a misaligned gas block. While this is certainly a possibility, I've never put any torque on the gas block and I exclusively use a barrel vise to change muzzle devices.
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Posted: 2/24/2023 9:47:51 PM EDT
[Last Edit: goloud]
[#6]
Quote HistoryOriginally Posted By SMFdarkangel: Before everyone asks, I have pulled the barrel and tried manually inserting different rounds into the chamber. Even with a completely clean chamber the fit is snug and the rounds have to be pushed forward to seat and will not drop free on their own. I think the size of the chamber coupled with fouling after firing a few rounds is what causes the gun to seize up. This is not something I've experienced with 5.56 or 6ARC and it was not my experience with my 300BLK BCM upper (although that chamber was chrome-lined). After trying the F03 gas valve, I'm starting to wonder if the chamber is the culprit here. I also believe someone posted about having a misaligned gas block. While this is certainly a possibility, I've never put any torque on the gas block and I exclusively use a barrel vise to change muzzle devices. Props to @subpar for making the testing possible. It sounds like your |
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Posted: 2/24/2023 9:50:17 PM EDT
[#7]
Quote HistoryOriginally Posted By SMFdarkangel: Intro: I've been crazy busy with work (12 hour days and weekends) but I wanted to post an update on the LVAW saga. Apologies for the lack of photos/video but the weather was in the high 30's with 10-15 mph winds. I couldn't feel my fingers and everything kept blowing away. Rifle: Factory MCX Virtus TACOPS (6.75" barrel w/F01 gas valve*). I purchased this rifle brand new and have put an estimated <100 rounds through it. I've added an ALTRD LVAW rail, CGS Hyperion suppressor, and swapped the brace for the MCX telescoping/folding stock. Everything else is factory stock exactly as I received it from SIG. Previous suppressors used include the Surefire SOCOM762-RC and SOCOM300-SPS. Both were mounted via Surefire SOCOM 3-Prong Flash Hider while I waited for my Hyperion to clear. Magazines: Lancer L5AWM 300BLK Translucent Smoke (30rd), Magpul PMAG 30 AR 300 B GEN M3 (30rd), Magpul PMAG 30 AR 300 B GEN M3 (20rd) Ammunition: Ammo Inc. 220gr stelTH Subsonic TMC (300B220TMC-STL), Winchester 200gr Open Tip Range Subsonic (USA300BLKX)**, Winchester 200gr Super Suppressed Open Tip Range Subsonic (SUP300BLK)**, Barnes 110gr TAC-TX Supersonic (Black Tip)**, Wilson Combat 110gr TAC-TX Supersonic (Black Tip)** Controls: I completely disassembled the rifle and removed the barrel to deep clean before starting the test. The BCG, received, chamber and bore were thoroughly cleaned and inspected prior to testing. To control for the magazine variable, I loaded a sample of 8 magazines (see above) with 3 rds/ea of Ammo Inc. 220gr stelTH. This was done to test the ability of the rifle to successfully eject and chamber additional rounds and also test for lock back after the last round was fired. Each magazine was inserted with the bolt locked to the rear. Test: I started with a 20rd PMAG. The first round chambered and cycled successfully. (This was typical of previous tests with the F01 on the + setting. I speculate this phenomenon is caused by the ignition of oxygen inside the silencer providing more backpressure within the system.) The second round fired and ejected successfully but did not chamber a new round. I attempted to manually cycle the bolt to chamber the third round. However, the third round stuck in the chamber and the bolt was visually out-of-battery (by approx. 1/4"). (This has been a frequent phenomenon, which I previously attributed to a dirty chamber or bad ammo. However, recently testing leads me to believe the chamber is actually out of spec since all 300BLK ammo I've tried has experienced this issue to some degree or another, even with a completely clean chamber/throat.) I attempted to remove the stuck round but it would not budge. I had to mortar the rifle 5-10 times to remove it. Once the round was successfully removed, I switched to a 30rd PMAG and experienced the same issue. Another 5-10 mortar strikes, removed the round, and attempted to chamber the round. Eventually, I was able to get another round to close in the chamber. The round fired and ejected but did not chamber another round. I experienced another failure to chamber and repeated the mortaring process. I was able to fire a fourth round, which ejected but did not chamber a new round. I switched to a 30rd Lancer but experienced another failure to chamber. After 5 minutes and another 10-15 mortar attempts to remove this round, I decided to end the test. Notes: I've had the same chambering issue with all five loads listed above over the period that I've owned this rifle. I primarily shoot 5.56 and 6ARC and this LVAW clone has been a backburner project, not a duty or defense rifle. The most I've ever shot in one session is 10-15 rounds. Keep in mind that subsonic 300BLK reached over $2/rd following the pandemic and I don't have a large stash of 300BLK ammo. I also waited about 280 days for my Hyperion to clear so I could finish this build. As of today, this is the least reliable gun I own and it will be going back to SIG for warranty service as soon as I get the go-ahead from CS. *For this particular test, the F03 gas valve from @Subpar was used on the + (subsonic/adverse) setting. **This ammo was not fired during this particular test but is mentioned for reference. See notes above. Quote HistoryOriginally Posted By SMFdarkangel: Originally Posted By SMFdarkangel: Huge shoutout to @Subpar for sending me his F03 to play with. Will post an update once it arrives. Intro: I've been crazy busy with work (12 hour days and weekends) but I wanted to post an update on the LVAW saga. Apologies for the lack of photos/video but the weather was in the high 30's with 10-15 mph winds. I couldn't feel my fingers and everything kept blowing away. Rifle: Factory MCX Virtus TACOPS (6.75" barrel w/F01 gas valve*). I purchased this rifle brand new and have put an estimated <100 rounds through it. I've added an ALTRD LVAW rail, CGS Hyperion suppressor, and swapped the brace for the MCX telescoping/folding stock. Everything else is factory stock exactly as I received it from SIG. Previous suppressors used include the Surefire SOCOM762-RC and SOCOM300-SPS. Both were mounted via Surefire SOCOM 3-Prong Flash Hider while I waited for my Hyperion to clear. Magazines: Lancer L5AWM 300BLK Translucent Smoke (30rd), Magpul PMAG 30 AR 300 B GEN M3 (30rd), Magpul PMAG 30 AR 300 B GEN M3 (20rd) Ammunition: Ammo Inc. 220gr stelTH Subsonic TMC (300B220TMC-STL), Winchester 200gr Open Tip Range Subsonic (USA300BLKX)**, Winchester 200gr Super Suppressed Open Tip Range Subsonic (SUP300BLK)**, Barnes 110gr TAC-TX Supersonic (Black Tip)**, Wilson Combat 110gr TAC-TX Supersonic (Black Tip)** Controls: I completely disassembled the rifle and removed the barrel to deep clean before starting the test. The BCG, received, chamber and bore were thoroughly cleaned and inspected prior to testing. To control for the magazine variable, I loaded a sample of 8 magazines (see above) with 3 rds/ea of Ammo Inc. 220gr stelTH. This was done to test the ability of the rifle to successfully eject and chamber additional rounds and also test for lock back after the last round was fired. Each magazine was inserted with the bolt locked to the rear. Test: I started with a 20rd PMAG. The first round chambered and cycled successfully. (This was typical of previous tests with the F01 on the + setting. I speculate this phenomenon is caused by the ignition of oxygen inside the silencer providing more backpressure within the system.) The second round fired and ejected successfully but did not chamber a new round. I attempted to manually cycle the bolt to chamber the third round. However, the third round stuck in the chamber and the bolt was visually out-of-battery (by approx. 1/4"). (This has been a frequent phenomenon, which I previously attributed to a dirty chamber or bad ammo. However, recently testing leads me to believe the chamber is actually out of spec since all 300BLK ammo I've tried has experienced this issue to some degree or another, even with a completely clean chamber/throat.) I attempted to remove the stuck round but it would not budge. I had to mortar the rifle 5-10 times to remove it. Once the round was successfully removed, I switched to a 30rd PMAG and experienced the same issue. Another 5-10 mortar strikes, removed the round, and attempted to chamber the round. Eventually, I was able to get another round to close in the chamber. The round fired and ejected but did not chamber another round. I experienced another failure to chamber and repeated the mortaring process. I was able to fire a fourth round, which ejected but did not chamber a new round. I switched to a 30rd Lancer but experienced another failure to chamber. After 5 minutes and another 10-15 mortar attempts to remove this round, I decided to end the test. Notes: I've had the same chambering issue with all five loads listed above over the period that I've owned this rifle. I primarily shoot 5.56 and 6ARC and this LVAW clone has been a backburner project, not a duty or defense rifle. The most I've ever shot in one session is 10-15 rounds. Keep in mind that subsonic 300BLK reached over $2/rd following the pandemic and I don't have a large stash of 300BLK ammo. I also waited about 280 days for my Hyperion to clear so I could finish this build. As of today, this is the least reliable gun I own and it will be going back to SIG for warranty service as soon as I get the go-ahead from CS. *For this particular test, the F03 gas valve from @Subpar was used on the + (subsonic/adverse) setting. **This ammo was not fired during this particular test but is mentioned for reference. See notes above. It doesn't sound like a gas problem at this point, but it still could be... Regardless, something is very, very wrong. Hopefully CS can streamline the diagnosis and any work needed. Side note: I wouldn't be shocked that [worst case scenario that's happened multiple times] you send your MCX up to SIG for work and they find nothing wrong with it. I wonder what the current (ballpark) numbers are for MCX/Virtus/SPEAR-LT customer service inquiries. |
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Posted: 2/24/2023 10:08:53 PM EDT
[#8]
Quote HistoryOriginally Posted By SMFdarkangel: Intro: I've been crazy busy with work (12 hour days and weekends) but I wanted to post an update on the LVAW saga. Apologies for the lack of photos/video but the weather was in the high 30's with 10-15 mph winds. I couldn't feel my fingers and everything kept blowing away. Rifle: Factory MCX Virtus TACOPS (6.75" barrel w/F01 gas valve*). I purchased this rifle brand new and have put an estimated <100 rounds through it. I've added an ALTRD LVAW rail, CGS Hyperion suppressor, and swapped the brace for the MCX telescoping/folding stock. Everything else is factory stock exactly as I received it from SIG. Previous suppressors used include the Surefire SOCOM762-RC and SOCOM300-SPS. Both were mounted via Surefire SOCOM 3-Prong Flash Hider while I waited for my Hyperion to clear. Magazines: Lancer L5AWM 300BLK Translucent Smoke (30rd), Magpul PMAG 30 AR 300 B GEN M3 (30rd), Magpul PMAG 30 AR 300 B GEN M3 (20rd) Ammunition: Ammo Inc. 220gr stelTH Subsonic TMC (300B220TMC-STL), Winchester 200gr Open Tip Range Subsonic (USA300BLKX)**, Winchester 200gr Super Suppressed Open Tip Range Subsonic (SUP300BLK)**, Barnes 110gr TAC-TX Supersonic (Black Tip)**, Wilson Combat 110gr TAC-TX Supersonic (Black Tip)** Controls: I completely disassembled the rifle and removed the barrel to deep clean before starting the test. The BCG, received, chamber and bore were thoroughly cleaned and inspected prior to testing. To control for the magazine variable, I loaded a sample of 8 magazines (see above) with 3 rds/ea of Ammo Inc. 220gr stelTH. This was done to test the ability of the rifle to successfully eject and chamber additional rounds and also test for lock back after the last round was fired. Each magazine was inserted with the bolt locked to the rear. Test: I started with a 20rd PMAG. The first round chambered and cycled successfully. (This was typical of previous tests with the F01 on the + setting. I speculate this phenomenon is caused by the ignition of oxygen inside the silencer providing more backpressure within the system.) The second round fired and ejected successfully but did not chamber a new round. I attempted to manually cycle the bolt to chamber the third round. However, the third round stuck in the chamber and the bolt was visually out-of-battery (by approx. 1/4"). (This has been a frequent phenomenon, which I previously attributed to a dirty chamber or bad ammo. However, recently testing leads me to believe the chamber is actually out of spec since all 300BLK ammo I've tried has experienced this issue to some degree or another, even with a completely clean chamber/throat.) I attempted to remove the stuck round but it would not budge. I had to mortar the rifle 5-10 times to remove it. Once the round was successfully removed, I switched to a 30rd PMAG and experienced the same issue. Another 5-10 mortar strikes, removed the round, and attempted to chamber the round. Eventually, I was able to get another round to close in the chamber. The round fired and ejected but did not chamber another round. I experienced another failure to chamber and repeated the mortaring process. I was able to fire a fourth round, which ejected but did not chamber a new round. I switched to a 30rd Lancer but experienced another failure to chamber. After 5 minutes and another 10-15 mortar attempts to remove this round, I decided to end the test. Notes: I've had the same chambering issue with all five loads listed above over the period that I've owned this rifle. I primarily shoot 5.56 and 6ARC and this LVAW clone has been a backburner project, not a duty or defense rifle. The most I've ever shot in one session is 10-15 rounds. Keep in mind that subsonic 300BLK reached over $2/rd following the pandemic and I don't have a large stash of 300BLK ammo. I also waited about 280 days for my Hyperion to clear so I could finish this build. As of today, this is the least reliable gun I own and it will be going back to SIG for warranty service as soon as I get the go-ahead from CS. *For this particular test, the F03 gas valve from @Subpar was used on the + (subsonic/adverse) setting. **This ammo was not fired during this particular test but is mentioned for reference. See notes above. Damn. Quite a journey you’ve had with this thing. I hope SIG gives you feedback on what they found/did. At least now you know it has to take the precarious journey back. FWIW, my one encounter with SIG customer service was great and they took care of me. |
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Posted: 2/25/2023 11:45:10 AM EDT
[Last Edit: SMFdarkangel]
[#9]
I had some free time this morning so decided to crack open the box of Discreet Ballistics 190gr SMK Subsonic I've been saving. This ammo is optimized for 5-11" barrel lengths. I also loaded up some Winchester 200gr Super Suppressed and Ammo Inc 220gr I mentioned in my last post.
Discreet Ballistics 190gr: Round 1 - Fired, ejected, reset hammer, short stroked next round. BCG (not the bolt) attempted to strip the round from the magazine, which cased the malfunction pictured below. Round 2 - After clearing the malfunction, the second round fired, ejected, reset the hammer, but did not chamber the next round. Round 3 - Fired, ejected, did not reset hammer, did not chamber next round Round 4 - I switched the F03 gas valve to the "-" position. The round fired but the system didn't have enough energy to fully unlock the bolt. Didn't expect it to cycle on "-" when it doesn't cycle on "+". The remaining rounds were fired on the "+" setting. Winchester 200gr: Round 1 - Fired, ejected, reset hammer, did not chamber next round Round 2 - Fired, ejected, reset hammer, did not chamber next round Round 3 - Fired, ejected, reset hammer, did not chamber next round Ammo Inc 220gr: Round 1 - Fired, ejected, reset hammer, did not chamber next round Round 2 - Fired, ejected, reset hammer, did not chamber next round Round 3 - Fired, ejected, reset hammer, did not chamber next round  Attached File |
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NC, USA
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Posted: 2/26/2023 8:46:26 AM EDT
[#10]
^LOL….so nothing worked…..
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Posted: 2/28/2023 8:03:41 AM EDT
[#11]
Quote HistoryOriginally Posted By GLD1980: @0331OC I have been reading through this entire thread and half way through found your MCX, and it deserves a repost! It is very fucking sexy! ETA... @goloud Man brother you really have an amazing collection of SIG's. Can you repost a pic of your anodized Rattler! @GLD1980 I do love me some MCX. 
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Posted: 2/28/2023 1:06:32 PM EDT
[Last Edit: GLD1980]
[#12]
Quote HistoryOriginally Posted By goloud: @GLD1980 I do love me some MCX. https://www.ar15.com/media/mediaFiles/83570/67966533-F4E7-4361-998A-1C96E518FF41-2728372.jpg @goloud  That gun is beautiful and functionally perfect how you have it... Break down the specs Pete! ETA... Oops wrong emoji. 10/10... Dang my vision sucks now. |
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Posted: 2/28/2023 3:10:24 PM EDT
[#13]
Man I was happy w/ mine til I saw goloud's...
Hey there's Sig SBR whitebox ammo on their site rn if anyone's interested, it goes fast |
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FL, USA
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Posted: 2/28/2023 9:01:55 PM EDT
[#14]
I'll get better photos eventually.
I think I need to move the optic/mount to the rear a few notches. This will take some time to get use to.   |
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WA, USA
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Posted: 3/5/2023 6:11:57 AM EDT
[Last Edit: scrolledandtabbed]
[#15]
I hate the stock trigger on my Virtus.
Does anybody know if these will work on the MCX/Virtus? It says MPX not MCX so I'm not sure. A search was inconclusive. https://www.primaryarms.com/timney-triggers-sig-mpx-single-stage-drop-in-trigger-straight-bow |
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Posted: 3/5/2023 6:22:29 AM EDT
[#16]
Quote HistoryOriginally Posted By scrolledandtabbed: I hate the stock trigger on my Virtus. Does anybody know if these will work on the MCX/Virtus? It says MPX not MCX so I'm not sure. A search was inconclusive. https://www.primaryarms.com/timney-triggers-sig-mpx-single-stage-drop-in-trigger-straight-bow That will not work on the virtus. MPX only. |
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Posted: 3/5/2023 1:03:26 PM EDT
[#17]
Quote HistoryOriginally Posted By scrolledandtabbed: I hate the stock trigger on my Virtus. Does anybody know if these will work on the MCX/Virtus? It says MPX not MCX so I'm not sure. A search was inconclusive. https://www.primaryarms.com/timney-triggers-sig-mpx-single-stage-drop-in-trigger-straight-bow I think I read somewhere that Geissele sells something that will allow you to use any AR trigger not sure on any specifics or if I read it wrong… so I may be completely mistaken |
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OR, USA
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Posted: 3/5/2023 1:27:34 PM EDT
[#18]
Quote HistoryOriginally Posted By scrolledandtabbed: I hate the stock trigger on my Virtus. Does anybody know if these will work on the MCX/Virtus? It says MPX not MCX so I'm not sure. A search was inconclusive. https://www.primaryarms.com/timney-triggers-sig-mpx-single-stage-drop-in-trigger-straight-bow I'm selling a sig virtus BCG on EE that contains a G marked firing pin safety, which allows for use with geissele triggers or any standard AR triggers. |
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Posted: 3/5/2023 9:11:36 PM EDT
[Last Edit: doolz]
[#19]
Quote HistoryOriginally Posted By mbz451: I'm selling a sig virtus BCG on EE that contains a G marked firing pin safety, which allows for use with geissele triggers or any standard AR triggers. Edit: See Zerlak's post |
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TX, USA
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Posted: 3/5/2023 9:58:42 PM EDT
[Last Edit: Zerlak]
[#20]
Quote HistoryOriginally Posted By doolz: Standard AR triggers won't work in the Virtus. There is a specific housing that the trigger group needs in order to fit inside of the lower [silver housing in image below]. The G firing pin latch that goes on the BCG enhances the Geissele MCX trigger. If this info is incorrect someone can clarify and I'll edit as needed. https://cdn.geissele.com/media/catalog/product/cache/56b7e045e7b53d2dc628e5d4d81258d7/m/c/mcx-ssa-m4-curve-trigger-bow-3-4-view-_2.jpg Quote HistoryOriginally Posted By doolz: Originally Posted By mbz451: I'm selling a sig virtus BCG on EE that contains a G marked firing pin safety, which allows for use with geissele triggers or any standard AR triggers. Standard AR triggers won't work in the Virtus. There is a specific housing that the trigger group needs in order to fit inside of the lower [silver housing in image below]. The G firing pin latch that goes on the BCG enhances the Geissele MCX trigger. If this info is incorrect someone can clarify and I'll edit as needed. https://cdn.geissele.com/media/catalog/product/cache/56b7e045e7b53d2dc628e5d4d81258d7/m/c/mcx-ssa-m4-curve-trigger-bow-3-4-view-_2.jpg Wrong. It's the drop safety latch that prevents standard AR triggers. The Spear-LT can use standard AR triggers as they modified the drop safety in the carrier. Edited for spelling. |
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Posted: 3/5/2023 11:52:35 PM EDT
[Last Edit: SMFdarkangel]
[#21]
Quote HistoryOriginally Posted By Zerlak: Wrong. It's the drop safety latch that prevents standard AR triggers. ^This^ with the caveat that your standard AR hammer needs to have enough force to overcome both the firing pin safety and the firing pin spring. A weak hammer spring combined with harder military primers may result in light primer strikes. As stated above, the “G” marked safety latch will allow you to run a standard AR trigger in the Virtus. |
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OR, USA
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Posted: 3/6/2023 12:11:16 AM EDT
[#22]
Quote HistoryOriginally Posted By SMFdarkangel: ^This^ with the caveat that your standard AR hammer needs to have enough force to overcome both the firing pin safety and the firing pin spring. A weak hammer spring combined with harder military primers may result in light primer strikes. As stated above, the “G” marked safety latch will allow you to run a standard AR trigger in the Virtus. Yup, I was able to run a geissele ssa in my mcx with the G marked safety, with no light primer strikes in the 200 rounds that I shot with it. |
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Posted: 3/6/2023 3:00:34 AM EDT
[Last Edit: michealj]
[#23]
Quote HistoryOriginally Posted By scrolledandtabbed: I hate the stock trigger on my Virtus. Does anybody know if these will work on the MCX/Virtus? It says MPX not MCX so I'm not sure. A search was inconclusive. https://www.primaryarms.com/timney-triggers-sig-mpx-single-stage-drop-in-trigger-straight-bow Triggertech is the solution. Wasn’t sure if I needed to replace my TACOPS trigger until I did, very glad I did and should have done it sooner. |
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MA, USA
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Posted: 3/7/2023 1:53:44 AM EDT
[#24]
Quote HistoryOriginally Posted By michealj: Triggertech is the solution. Wasn’t sure if I needed to replace my TACOPS trigger until I did, very glad I did and should have done it sooner. Trigger Tech vs Geissele? |
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NC, USA
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Posted: 3/7/2023 8:08:23 AM EDT
[#25]
Quote HistoryOriginally Posted By doolz: Trigger Tech vs Geissele? Quote HistoryOriginally Posted By doolz: Originally Posted By michealj: Triggertech is the solution. Wasn’t sure if I needed to replace my TACOPS trigger until I did, very glad I did and should have done it sooner. Trigger Tech vs Geissele? I picked up a PDI MCX trigger unused off of GAFS and am extremely pleased with it. Way better than the Match Lite Duo from Sig. |
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Posted: 3/7/2023 9:32:21 PM EDT
[#26]
Quote HistoryOriginally Posted By doolz: Trigger Tech vs Geissele? Nothing wrong with Geissele, I just think Triggertech is a better trigger. It is not mil-spec at all and very much a precision trigger, but neither is the Geissele. |
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Posted: 3/8/2023 7:48:24 PM EDT
[Last Edit: 74novaman]
[#27]
Swapped back over to 11.5” 5.56 for an upcoming class.
Figuring out my 300blk stuff is a problem for Summer Me. 
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Posted: 3/8/2023 8:35:03 PM EDT
[#28]
Quote HistoryOriginally Posted By 74novaman: Swapped back over to 11.5” 5.56 for an upcoming class. Figuring out my 300blk stuff is a problem for Summer Me. https://i.imgur.com/5gXLYKK.jpg Are you right or left hand shooter? I've been curious why some shooters with IR will mount their flashlight on the left side [assuming you're right handed]. Beautiful build though. I'm going for something similar minus the optic. |
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Posted: 3/8/2023 8:55:01 PM EDT
[#29]
Quote HistoryOriginally Posted By doolz: Are you right or left hand shooter? I've been curious why some shooters with IR will mount their flashlight on the left side [assuming you're right handed]. Beautiful build though. I'm going for something similar minus the optic. Left eye dominant. Shoot pistols right handed, rifles and shotguns lefty. |
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Posted: 3/8/2023 9:02:28 PM EDT
[#30]
Quote HistoryOriginally Posted By 74novaman: Left eye dominant. Shoot pistols right handed, rifles and shotguns lefty. Got it. I've been noticing more and more lately that shooters are moving their lights to their support hand side of the rifle and just using the endcap for manipulation as opposed to pressure switches/buttons. I guess it depends on the rail size as well. I'm hoping Cloud releases the OWL again [as they've been saying they are going to "this week"] because that was my favorite light. Currently have the Rein 3.0's on all the builds. |
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NC, USA
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Posted: 3/9/2023 8:49:49 AM EDT
[#31]
Quote HistoryOriginally Posted By doolz: Got it. I've been noticing more and more lately that shooters are moving their lights to their support hand side of the rifle and just using the endcap for manipulation as opposed to pressure switches/buttons. I guess it depends on the rail size as well. I'm hoping Cloud releases the OWL again [as they've been saying they are going to "this week"] because that was my favorite light. Currently have the Rein 3.0's on all the builds. FWIW I am right/right and have my MCX light on the left side so that it lays flat when folded. |
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Posted: 3/9/2023 11:54:48 AM EDT
[Last Edit: SMFdarkangel]
[#32]
Quote HistoryOriginally Posted By SpyHawk: FWIW I am right/right and have my MCX light on the left side so that it lays flat when folded. Samesies. I also do this to help protect against suppressor burns and be able to manipulate the backup switch on the tailcap. Having it inboard also helps clearing doorways. I honestly don’t see a reason to mount a light on the outboard side but to each their own. ETA: unless you absolutely need the rail space for your hand. |
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Posted: 3/9/2023 2:16:46 PM EDT
[#33]
Quote HistoryOriginally Posted By SMFdarkangel: Samesies. I also do this to help protect against suppressor burns and be able to manipulate the backup switch on the tailcap. Having it inboard also helps clearing doorways. I honestly don’t see a reason to mount a light on the outboard side but to each their own. ETA: unless you absolutely need the rail space for your hand. Talking about lights I was able to snag this before they sold out.   Attached File |
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Posted: 3/9/2023 4:24:02 PM EDT
[#34]
Quote HistoryOriginally Posted By SMFdarkangel: Samesies. I also do this to help protect against suppressor burns and be able to manipulate the backup switch on the tailcap. Having it inboard also helps clearing doorways. I honestly don’t see a reason to mount a light on the outboard side but to each their own. ETA: unless you absolutely need the rail space for your hand. Quote HistoryOriginally Posted By SMFdarkangel: Originally Posted By SpyHawk: FWIW I am right/right and have my MCX light on the left side so that it lays flat when folded. Samesies. I also do this to help protect against suppressor burns and be able to manipulate the backup switch on the tailcap. Having it inboard also helps clearing doorways. I honestly don’t see a reason to mount a light on the outboard side but to each their own. ETA: unless you absolutely need the rail space for your hand. I'm going to re-arrange the setup I have. No laser but just white light. Still hoping on Cloud to bring back the OWL..... they keep saying there's going to be one more release "next week..." |
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Posted: 3/13/2023 12:19:49 PM EDT
[#35]
Well I ordered my first Sig rifle. Got a brand new MCX Virtus in 7.62x39. It's a black gun and not the typical grey-ish finish of the regular Virtus, and apparently they're a bit unique in that they were LE/MIL only guns. I saw a few places with the guns listed as LE/MIL only so I called up the store selling it because they didn't list LE/MIL anywhere in the ad. Apparently these were MIL/LE guns but the guy said they're now allowed to sell remaining inventory to civilians. I assume that is since the Spear LT is out?
I paid $2,200 for the rifle, btw. I'm not a fan of SBRs and even brass Norma 7.62x39 is cheaper than 300BLK so I decided to go with this instead of a 300BLK gun. Also between my Bren 2 and AUG I am content with 5.56 guns, and just wanted something a bit different. What are some reliable x39 AR mags I can buy for this? The D&H mags are cool looking. I've heard good things about C-Products x39 mags but figured I'd come here for good info. |
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Posted: 3/14/2023 9:45:38 AM EDT
[Last Edit: SilasB]
[#36]
Quote HistoryOriginally Posted By Zeebz: ...Apparently these were MIL/LE guns but the guy said they're now allowed to sell remaining inventory to civilians. I assume that is since the Spear LT is out?... |
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Posted: 3/14/2023 1:35:12 PM EDT
[#37]
Quote HistoryOriginally Posted By SilasB: Once they come off the Defense/LE list the sales restrictions are lifted. Those old W sku guns are a nice package w/ the flip-up sights and included goodies (sling, rail piece, qd socket). W is for Winning! |
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Posted: 3/14/2023 1:38:52 PM EDT
[#38]
Quote HistoryOriginally Posted By SilasB: Once they come off the Defense/LE list the sales restrictions are lifted. Those old W sku guns are a nice package w/ the flip-up sights and included goodies (sling, rail piece, qd socket). Thank you for the clarification! I am excited to get it. Is it true these also have CHF and chrome lined barrels? I saw a few ads mentioning the LE guns had chrome lined barrels, but just wanted to check here and see if that was for sure. |
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LA, USA
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Posted: 3/14/2023 1:39:32 PM EDT
[#39]
yup
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Posted: 3/14/2023 8:49:25 PM EDT
[#40]
The barrels were cold hammer forged. There should be some more W MCX guns popping up for sale in different configurations. Note that the Rattler did not come off the list. Also if you want a good bargain, look for any 2022 WRM400 -PRO or - SBR, as the spec changed for 2023. The 2022 guns are fair play now and are by far the best configuration of the M400. Come with the same sights and goodies, in addition of a cleaning kit, as the MCX. Solid rifle that they did offer with a chrome lined option.
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Posted: 3/15/2023 11:48:39 AM EDT
[#41]
Quote HistoryOriginally Posted By SilasB: The barrels were cold hammer forged. There should be some more W MCX guns popping up for sale in different configurations. Note that the Rattler did not come off the list. Also if you want a good bargain, look for any 2022 WRM400 -PRO or - SBR, as the spec changed for 2023. The 2022 guns are fair play now and are by far the best configuration of the M400. Come with the same sights and goodies, in addition of a cleaning kit, as the MCX. Solid rifle that they did offer with a chrome lined option. If you know anyone who has 11.5" M400 PRO SBRs in stock, please let me know because I've been looking for one for a while. |
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Posted: 3/17/2023 2:16:15 PM EDT
[Last Edit: GLD1980]
[#42]
Have we done this fellas?
Designed to bring more variety to the MCX platform, the MCX XTN now allows the use of standard length MCX/Virtus handgaurds on a Rattler length upper receiver as well as MCX/Virtus upper receivers with Legacy handguards. https://www.virtuous-concepts.com/product-page/rattler-xtn  How to run a Sig Virtus SD handguard on Rattler platform. The -XTN-#shorts #guns |
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Posted: 3/18/2023 9:20:10 PM EDT
[#43]
^ Timely.
https://midwestindustriesinc.com/mi-mcx-virtus-handguard-m-lok-tm-compatible/ 6.75” with the Midwest Industries 6” handguard 5.5” Rattler 
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Posted: 3/19/2023 9:46:28 AM EDT
[#44]
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Posted: 3/19/2023 9:51:51 PM EDT
[#45]
Originally Posted By goloud: ^ Timely. https://midwestindustriesinc.com/mi-mcx-virtus-handguard-m-lok-tm-compatible/ 6.75” with the Midwest Industries 6” handguard 5.5” Rattler https://www.ar15.com/media/mediaFiles/83570/D9D3BC0F-06B5-4F74-AE71-C9C3F2CF8425-2751129.jpg Originally Posted By goloud: https://www.ar15.com/media/mediaFiles/83570/07036376-50E5-44EA-95A2-8FD8B91D5AA2-2751626.jpg @goloud Your guns are beautiful. If you ever decide to sell them please let me know first. I will give them a good home! |
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Posted: 3/21/2023 7:05:51 PM EDT
[#46]
Picked up my Virtus LE in 7.62x39. Overall I really like how it feels. I've never even handled an MCX before so I wasn't sure what to expect. The gun shoulders really nicely, I love the handguard, and the action is nice. Only thing I don't care for on it is the charging handle as I much prefer side chargers, but all the other stuff is neat. Overall it is a very nice feeling rifle.
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CA, USA
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Posted: 3/21/2023 8:22:11 PM EDT
[#47]
Quote HistoryOriginally Posted By goloud: ^ Timely. https://midwestindustriesinc.com/mi-mcx-virtus-handguard-m-lok-tm-compatible/ 6.75” with the Midwest Industries 6” handguard 5.5” Rattler https://www.ar15.com/media/mediaFiles/83570/D9D3BC0F-06B5-4F74-AE71-C9C3F2CF8425-2751129.jpg The one thing I absolutely HATE about the Midwest Industries 6" Handguard on my Virtus is how narrow it is! In fact, if you attach ANYTHING via those M-LOK slots, you won't be able to remove the barrel without first removing the item attached.  |
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Posted: 3/22/2023 8:25:51 AM EDT
[#48]
 One of my favorite looking setups... Hopefully can match something similar. |
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NC, USA
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Posted: 3/23/2023 4:22:24 PM EDT
[#49]
Quote HistoryOriginally Posted By Sniper3142: The one thing I absolutely HATE about the Midwest Industries 6" Handguard on my Virtus is how narrow it is! In fact, if you attach ANYTHING via those M-LOK slots, you won't be able to remove the barrel without first removing the item attached. I see what you mean. It's like they would be better off replacing the first M-Lok slot with Picatinny. Kind of like the Geiselle Mk4 rail. |
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Posted: 3/23/2023 7:28:57 PM EDT
[#50]
Can anyone confirm if these weights are correct for Legacy/Virtus stripped uppers?
I've tried searching on Arf and Sig forums and only found one post referencing weights. Upper receiver weights (no BCG or CH) Legacy: 1lb 2oz Virtus: 1lb 3oz Rattler: 1lb 1oz Mutt gun. 
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