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Posted: 4/11/2018 4:58:24 PM EDT
[Last Edit: MCDXXV]
The United States Special Operations Command (USSOCOM) issued a solicitation for a family of Special Operations Forces Combat Assault Rifles, the so-called SCAR, designed around two different calibers but featuring high commonality of parts and identical ergonomics.
The SCAR is manufactured in two main versions; the SCAR-L ("Light") and SCAR-H ("Heavy"). The SCAR-L fires 5.56×45mm NATO, fed from STANAG (M16) magazines. The SCAR-H fires the more powerful 7.62×51mm NATO from proprietary 20-round magazines. Different length barrels are available for close quarters battle and for longer-range engagements. The Mk 16 was intended to replace the M4A1, the Mk 18 CQBR and the Mk 12 SPR, before SOCOM decided to cancel the order for the Mk 16 Mod 0. The Mk 17 will replace the M14 and Mk 11 sniper rifles. However, the weapon will only supplement other weapons while issuing remains at the operator's decision. The Mk 20 Mod 0 Sniper Support Rifle (SSR) is based on the SCAR-H. It includes a longer receiver, a beefed up barrel extension and barrel profile to reduce whip and improve accuracy, and an enhanced modular trigger that can be configured for single-stage or two-stage operation together with either a folding or a non-folding precision stock. MK16 
MK17 
MK20/SSR   Building a clone. Barrel: MK16 10" 14”, 18" MK17 13", 16", 20” Flash Hider: MK16 AAC 18T Blackout MK17 AAC 18T MITER, FN ECP MK20 FA762SV Suppressors: MK16 AAC SCAR-SD MK17 AAC SCAR-SD, FN Supressor MK20 Surefire FH762SV-SCAR Vertical grips Tango down battle grip in tan KAC Rail panels: Tango Down Optics: MK16 Elcan Specter DR SU-230 EOTech SU-231-PEQ (EOTech 553) EOTech SU-231A-PEQ (EOTech EXPS03) EOTech 3x magnifiers MK17 Elcan Specter DR SU-230A Nightforce 2.5-10x24 Nightforce 3.5-15x50 EOTech SU-231-PEQ (EOTech 553) EOTech SU-231A-PEQ (EOTech EXPS03) EOTech 3x magnifiers MK20 Nightforce NXS 3.5-15 Vortex Razor HD 3-18 and 4.5-27 Leupold MK6 3-18 H59 Aimpoint T1/T2 offset and DAGR IR Lasers: Insight AN/PEQ-15/LA-5 Flashlight: Insight M3 (SU-233/PVS) Insight WMX200 |
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Posted: 9/22/2021 9:20:25 PM EDT
[#1]
Quote HistoryOriginally Posted By TinyCrumb: Well the bright side is, nobody would buy it or all my 308 ammo I was selling for like .50 CPR so I said f it and bought a 17, 13" barrel, SBR'd it and never looked back haha. Not exactly the *most* clone correct configuration but I've at least seen pics of it ITW so oh well! Quote HistoryOriginally Posted By TinyCrumb: Originally Posted By wayfaerer320: I've been kicking myself ever since dude. Well the bright side is, nobody would buy it or all my 308 ammo I was selling for like .50 CPR so I said f it and bought a 17, 13" barrel, SBR'd it and never looked back haha. Not exactly the *most* clone correct configuration but I've at least seen pics of it ITW so oh well! Haha good deal! I can dig it. |
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Posted: 9/28/2021 1:34:54 AM EDT
[#2]
Been a bit since I've taken mine out and shot it at distance, set up a plate at 640ish and another at 825ish. One of my favorite ways to spend the day.
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Posted: 9/28/2021 5:54:53 AM EDT
[#3]
Quote HistoryOriginally Posted By michealj: Been a bit since I've taken mine out and shot it at distance, set up a plate at 640ish and another at 825ish. One of my favorite ways to spend the day. https://i.imgur.com/Dpm7qSB.jpg https://i.imgur.com/Z9nzt7m.jpg https://i.imgur.com/94uAinQ.jpg https://i.imgur.com/B3TylyR.jpg https://i.imgur.com/ygJEvac.jpg What barrel length is that? Beautiful country. |
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Posted: 9/28/2021 7:23:21 AM EDT
[#4]
Quote HistoryOriginally Posted By michealj: Been a bit since I've taken mine out and shot it at distance, set up a plate at 640ish and another at 825ish. One of my favorite ways to spend the day. https://i.imgur.com/Dpm7qSB.jpg https://i.imgur.com/Z9nzt7m.jpg https://i.imgur.com/94uAinQ.jpg https://i.imgur.com/B3TylyR.jpg https://i.imgur.com/ygJEvac.jpg |
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Posted: 9/28/2021 8:07:22 AM EDT
[#5]
Quote HistoryOriginally Posted By wayfaerer320: What barrel length is that? Beautiful country. I had the barrel cut to 18". |
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Posted: 9/28/2021 8:31:02 AM EDT
[#6]
Quote HistoryOriginally Posted By michealj: I had the barrel cut to 18". Quote HistoryOriginally Posted By michealj: Originally Posted By wayfaerer320: What barrel length is that? Beautiful country. I had the barrel cut to 18". I'll be honest - that looks damn good. |
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VA, USA
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Posted: 10/2/2021 7:27:23 AM EDT
[Last Edit: Redhead45]
[#7]
https://imgur.com/a/MbxRiMy
I need to get out and stretch mine. Nothing local to me where I can go the distance. Longest I get is 100 yards |
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Posted: 10/2/2021 5:08:49 PM EDT
[#8]
Quote HistoryOriginally Posted By Redhead45: https://imgur.com/a/MbxRiMy I need to get out and stretch mine. Nothing local to me where I can go the distance. Longest I get is 100 yards Love it |
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Posted: 10/3/2021 9:22:40 AM EDT
[#9]
Quote HistoryOriginally Posted By michealj: Been a bit since I've taken mine out and shot it at distance, set up a plate at 640ish and another at 825ish. One of my favorite ways to spend the day. https://i.imgur.com/Dpm7qSB.jpg https://i.imgur.com/Z9nzt7m.jpg https://i.imgur.com/94uAinQ.jpg https://i.imgur.com/B3TylyR.jpg https://i.imgur.com/ygJEvac.jpg Have any side shots of that beauty? |
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Posted: 10/3/2021 10:01:08 AM EDT
[#10]
Quote HistoryOriginally Posted By wayfaerer320: Have any side shots of that beauty? Closest to side profile I took that day.  |
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Posted: 10/4/2021 1:03:49 AM EDT
[#11]
Quote HistoryOriginally Posted By LsuJon: Last but not least, the two I found interesting. first one w/ the side rails removed: https://www.ar15.com/media/mediaFiles/316069/E1668B55-E0EA-4B47-980D-FE95145FF84D_jpe-2058094.JPG second and take it w/ an extreme grain of salt cause I believe it's pretty unheard of, but a pictured supposedly of CAG w/ a scar. If it's legit then it was probably being tested or something like that as I haven't heard of JSOC ever using the scar. https://www.ar15.com/media/mediaFiles/316069/A96E4671-7E84-4787-89E2-4795670D5FB5_jpe-2058095.JPG That's interesting, I wonder how he has the front barrel screws mounted, since those are normally held captive by a spring under the side rails. I figure the torque values to stay put might change. |
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VA, USA
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Posted: 10/5/2021 6:13:10 PM EDT
[#12]
Quote HistoryOriginally Posted By brodband8: Love it Quote HistoryOriginally Posted By brodband8: Originally Posted By Redhead45: https://imgur.com/a/MbxRiMy I need to get out and stretch mine. Nothing local to me where I can go the distance. Longest I get is 100 yards Love it Appreciate it 🤙🏼🇺🇸 Gets the job done haha. |
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Posted: 10/5/2021 7:48:32 PM EDT
[#13]
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Posted: 10/7/2021 10:01:32 PM EDT
[#14]
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Posted: 10/7/2021 11:12:18 PM EDT
[#15]
Quote History |
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Posted: 10/8/2021 7:19:12 AM EDT
[Last Edit: -KentuckyWindage-]
[#16]
Quote HistoryOriginally Posted By LsuJon: Damn swamp fox 
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VA, USA
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Posted: 10/9/2021 10:11:47 AM EDT
[#17]
Y’all wouldn’t believe half the things seen at work. Anything is clone correct now.
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Posted: 10/9/2021 10:18:22 AM EDT
[#18]
Quote HistoryOriginally Posted By Redhead45: Y’all wouldn’t believe half the things seen at work. Anything is clone correct now. Don't be a tease, lets see it |
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Posted: 10/18/2021 4:56:50 PM EDT
[#19]
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Posted: 10/22/2021 3:19:38 AM EDT
[Last Edit: Combat_Diver]
[#20]
Know some of you need a new yard Gnome for Christmas.
 Attached Filehttps://fnestore.com/fn-garden-gnome CD |
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Posted: 10/22/2021 11:30:47 PM EDT
[#21]
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WI, USA
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Posted: 10/28/2021 7:51:25 PM EDT
[#22]
SCAR in action against ISIS in 2017 with Special Forces at 6:45. I can’t make out if it’s a 16, 17 or 20. Guessing it’s a 17 or 20.
 US Special Operations Forces Fight Through Ambush In ISIS Infested Mountains In Afghanistan |
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Posted: 10/28/2021 8:09:28 PM EDT
[Last Edit: LsuJon]
[#23]
Quote HistoryOriginally Posted By Hyperformer: SCAR in action against ISIS in 2017 with Special Forces at 6:45. I can't make out if it's a 16, 17 or 20. Guessing it's a 17 or 20.  https://www.youtube.com/watch?v=f5UcAMiPcDo17 w/ the FN top rail extension and a SU-279  Attached File |
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VA, USA
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Posted: 11/3/2021 6:31:41 PM EDT
[#24]
If anyone wants a like new barely used (like 20 rounds) burn proof gear suppressor cover in wheat tan color that I got made for the Surefire mk20 variant suppressor, let me know.
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VA, USA
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Posted: 11/14/2021 7:01:50 PM EDT
[Last Edit: Redhead45]
[#25]
https://imgur.com/a/XubBz6v
I love this thing. I have the 1:12 barrel and first few rounds my group sucks then it gets tighter then once it heats up my group opens back up. It shoots 1 MOA but then damn near 2 MOA after being on it after a while. I will say it shoots better groups with the can. It likes 175 over 168 but I want to test again. Factory 175 are way better than my reloads. Need to stick to all same components to get better data. I just need more land. |
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VA, USA
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Posted: 11/16/2021 7:23:02 PM EDT
[Last Edit: Redhead45]
[#26]
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OR, USA
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Posted: 11/16/2021 10:18:19 PM EDT
[#27]
Quote HistoryOriginally Posted By Redhead45: https://imgur.com/a/XubBz6v  I love this thing. I have the 1:12 barrel and first few rounds my group sucks then it gets tighter then once it heats up my group opens back up. It shoots 1 MOA but then damn near 2 MOA after being on it after a while. I will say it shoots better groups with the can. It likes 175 over 168 but I want to test again. Factory 175 are way better than my reloads. Need to stick to all same components to get better data. I just need more land. Cool picture! |
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VA, USA
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Posted: 11/17/2021 11:36:35 AM EDT
[#28]
Quote HistoryOriginally Posted By Mblades: Cool picture! Quote HistoryOriginally Posted By Mblades: Originally Posted By Redhead45: https://imgur.com/a/XubBz6v https://i.imgur.com/HcNFIFM_d.webp?maxwidth=640&shape=thumb&fidelity=medium I love this thing. I have the 1:12 barrel and first few rounds my group sucks then it gets tighter then once it heats up my group opens back up. It shoots 1 MOA but then damn near 2 MOA after being on it after a while. I will say it shoots better groups with the can. It likes 175 over 168 but I want to test again. Factory 175 are way better than my reloads. Need to stick to all same components to get better data. I just need more land. Cool picture! Thanks! Thought it was cool showing all the gas being released. Especially end of the can. |
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Posted: 11/17/2021 11:41:17 AM EDT
[#29]
Quote HistoryOriginally Posted By Redhead45: https://imgur.com/a/XubBz6v I love this thing. I have the 1:12 barrel and first few rounds my group sucks then it gets tighter then once it heats up my group opens back up. It shoots 1 MOA but then damn near 2 MOA after being on it after a while. I will say it shoots better groups with the can. It likes 175 over 168 but I want to test again. Factory 175 are way better than my reloads. Need to stick to all same components to get better data. I just need more land. I hate to break it to you like this, but after looking at the photo and reading your post, I believe I have identified why your groups might not be as good as they could be: You were shooting left-handed. I see it at the range with a few buddies too, and when I notice their holster is on the left side of their bodies, I am always embarrassed to break the news that their kit is set up wrong and they have been shooting wrong their whole lives. 
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OR, USA
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Posted: 11/17/2021 1:03:58 PM EDT
[#30]
Quote HistoryOriginally Posted By bolster: I hate to break it to you like this, but after looking at the photo and reading your post, I believe I have identified why your groups might not be as good as they could be: You were shooting left-handed. I see it at the range with a few buddies too, and when I notice their holster is on the left side of their bodies, I am always embarrassed to break the news that their kit is set up wrong and they have been shooting wrong their whole lives. Quote HistoryOriginally Posted By bolster: Originally Posted By Redhead45: https://imgur.com/a/XubBz6v I love this thing. I have the 1:12 barrel and first few rounds my group sucks then it gets tighter then once it heats up my group opens back up. It shoots 1 MOA but then damn near 2 MOA after being on it after a while. I will say it shoots better groups with the can. It likes 175 over 168 but I want to test again. Factory 175 are way better than my reloads. Need to stick to all same components to get better data. I just need more land. I hate to break it to you like this, but after looking at the photo and reading your post, I believe I have identified why your groups might not be as good as they could be: You were shooting left-handed. I see it at the range with a few buddies too, and when I notice their holster is on the left side of their bodies, I am always embarrassed to break the news that their kit is set up wrong and they have been shooting wrong their whole lives. It’s the barrel, he’s got the 1:12 RH twist, he needed to order the LH twist version. A good gunsmith should be able to fix it, they just flip the barrel around. That’s why they make the barrel extension and muzzle device threads the same size. |
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VA, USA
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Posted: 11/17/2021 4:47:35 PM EDT
[#31]
Quote HistoryOriginally Posted By Mblades: It’s the barrel, he’s got the 1:12 RH twist, he needed to order the LH twist version. A good gunsmith should be able to fix it, they just flip the barrel around. That’s why they make the barrel extension and muzzle device threads the same size. Quote HistoryOriginally Posted By Mblades: Originally Posted By bolster: Originally Posted By Redhead45: https://imgur.com/a/XubBz6v I love this thing. I have the 1:12 barrel and first few rounds my group sucks then it gets tighter then once it heats up my group opens back up. It shoots 1 MOA but then damn near 2 MOA after being on it after a while. I will say it shoots better groups with the can. It likes 175 over 168 but I want to test again. Factory 175 are way better than my reloads. Need to stick to all same components to get better data. I just need more land. I hate to break it to you like this, but after looking at the photo and reading your post, I believe I have identified why your groups might not be as good as they could be: You were shooting left-handed. I see it at the range with a few buddies too, and when I notice their holster is on the left side of their bodies, I am always embarrassed to break the news that their kit is set up wrong and they have been shooting wrong their whole lives. It’s the barrel, he’s got the 1:12 RH twist, he needed to order the LH twist version. A good gunsmith should be able to fix it, they just flip the barrel around. That’s why they make the barrel extension and muzzle device threads the same size. 😂😂😂🤣🤣🤣🤣 ahhh sh!t that’s funny. Both of these responses. Lol the left handed jokes make me yawn cuz everyone knows lefties do it right! 😉 That barrel flip is a new one. I’ll hit up my gonsmifs and have them change it out for me 🤣😜 |
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Posted: 11/19/2021 1:43:13 PM EDT
[#32]
I was able to get out the other night and run some rounds through my new 6.5 barrel. I was a little concerned given a few reports of blown primers with the 6.5, so l loaded up my standard 140gr Hornady BTHP with 41.6gr H4350 but ran a selection of brass and primers. Between 5 different primers and 4 types of brass, I did not have a single primer issue. 75 rounds in total for the session, including 15 130gr. TMK’s I loaded up to get on paper.
Accuracy was good, the first couple groups were right around 1.250” and the rest all at came in at 1” or less. Slowest average velocity was 2590 fps, fastest was 2650 fps. S-D’s in the single digits for several groups with the worst of the night being a 12.6. I did have a couple FTE around my third string with some Winchester brass that’s been fired 8 times, once I moved to the Lapua, Hornady and CBC brass, I did not have any more issues. Next I’ll work up some 147gr ELD-M and Berger 153.5gr loads and see what happens. 
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KS, USA
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Posted: 11/19/2021 1:59:40 PM EDT
[#33]
Quote HistoryOriginally Posted By michealj: I was able to get out the other night and run some rounds through my new 6.5 barrel. I was a little concerned given a few reports of blown primers with the 6.5, so l loaded up my standard 140gr Hornady BTHP with 41.6gr H4350 but ran a selection of brass and primers. Between 5 different primers and 4 types of brass, I did not have a single primer issue. 75 rounds in total for the session, including 15 130gr. TMK’s I loaded up to get on paper. Accuracy was good, the first couple groups were right around 1.250” and the rest all at came in at 1” or less. Slowest average velocity was 2590 fps, fastest was 2650 fps. S-D’s in the single digits for several groups with the worst of the night being a 12.6. I did have a couple FTE around my third string with some Winchester brass that’s been fired 8 times, once I moved to the Lapua, Hornady and CBC brass, I did not have any more issues. Next I’ll work up some 147gr ELD-M and Berger 153.5gr loads and see what happens. https://i.imgur.com/LBGO121.jpg Did you have the 6.5 barrel chopped as well as the 308? |
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Posted: 11/19/2021 3:08:50 PM EDT
[#34]
Quote HistoryOriginally Posted By USGILT: Did you have the 6.5 barrel chopped as well as the 308? I’ve only cut my 308 barrel so far, but I’m probably going to have it cut again, down to 16”. I’m going to work up some 6.5 handloads and see what kind of velocities I can get before I decide on cutting the Creedmoor barrel. |
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Posted: 11/19/2021 4:18:15 PM EDT
[#35]
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Posted: 11/19/2021 4:19:37 PM EDT
[#36]
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Posted: 11/19/2021 4:21:03 PM EDT
[#37]
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Posted: 11/19/2021 4:22:07 PM EDT
[#38]
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Posted: 11/19/2021 4:23:44 PM EDT
[#39]
Great pics man!
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Posted: 11/19/2021 4:26:32 PM EDT
[#40]
Quote HistoryOriginally Posted By -KentuckyWindage-: Great pics man!  Attached File Attached File Attached File Attached Filei think this is the first time I saw a 20 inch barrel on a mk17.  Attached File |
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Posted: 11/19/2021 4:27:47 PM EDT
[#41]
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Posted: 11/19/2021 4:29:32 PM EDT
[#42]
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Posted: 11/19/2021 4:29:51 PM EDT
[#43]
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Posted: 11/20/2021 10:41:45 AM EDT
[#44]
 Attached FileAnother 20 incher it seems |
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KS, USA
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Posted: 11/20/2021 2:13:12 PM EDT
[#45]
Quote HistoryOriginally Posted By michealj: I’ve only cut my 308 barrel so far, but I’m probably going to have it cut again, down to 16”. I’m going to work up some 6.5 handloads and see what kind of velocities I can get before I decide on cutting the Creedmoor barrel. Good stuff man please post your results when able. |
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Posted: 11/20/2021 2:49:32 PM EDT
[#46]
Quote HistoryOriginally Posted By LsuJon: https://www.ar15.com/media/mediaFiles/316069/D1EC62E7-0078-45E9-8489-EC6F23F77416_jpe-2174214.JPGAnother 20 incher it seems 
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USA
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Posted: 12/5/2021 2:52:25 AM EDT
[#47]
Belgium Special Forces Group (SFG)
   Belgium Directorate of Special Units (DSU) 
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USA
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Posted: 12/5/2021 10:30:03 PM EDT
[#48]
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UT, USA
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Posted: 12/17/2021 7:28:58 AM EDT
[#49]
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Posted: 12/17/2021 8:29:34 AM EDT
[#50]
Quote HistoryThat's such a badass pic. |
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