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Link Posted: 5/2/2018 9:46:30 PM EST
[#1]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Tigwelder1971:
WHOPPER JAW! (AKA: WHOOPACHAW!)

As stated above.   Also, when/if the cw loses its "spring" tension, then your MD is flopping around.

I see guys that do a home P/W job with CWs, some put too much heat into the task and end up with a loose MD.
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Originally Posted By Tigwelder1971:
Originally Posted By 5pt56:
Originally Posted By wissota4:

Reason why crush washer is nogo?
They are not always concentric and can whopper jaw your can and cause a baffle strike.  They also may make your A2 flash hider or other mount for your can whopper jawwed causing the same problem. I just wanted to say whopper jaw again. It's a technical term.
WHOPPER JAW! (AKA: WHOOPACHAW!)

As stated above.   Also, when/if the cw loses its "spring" tension, then your MD is flopping around.

I see guys that do a home P/W job with CWs, some put too much heat into the task and end up with a loose MD.
Little off topic, but I'm reminded of someone mentioning nord lock washers for thread-on cans. Looked into that a couple years ago, but do any of you have experience with them?

Back on-topic... Still playing with KAC's rail covers and different grips, light and sling mounts, trying to find an optimal setup. Anyone got a decent source for KAC/P&S rail covers for the RAS? Everywhere I look, they're expensive as hell.
Link Posted: 5/2/2018 9:51:49 PM EST
[#2]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By rb889:

Little off topic, but I'm reminded of someone mentioning nord lock washers for thread-on cans. Looked into that a couple years ago, but do any of you have experience with them?

Back on-topic... Still playing with KAC's rail covers and different grips, light and sling mounts, trying to find an optimal setup. Anyone got a decent source for KAC/P&S rail covers for the RAS? Everywhere I look, they're expensive as hell.
View Quote
The EE usually has decent deals on covers.
Link Posted: 5/2/2018 10:11:46 PM EST
[#3]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By rb889:

Little off topic, but I'm reminded of someone mentioning nord lock washers for thread-on cans. Looked into that a couple years ago, but do any of you have experience with them?

Back on-topic... Still playing with KAC's rail covers and different grips, light and sling mounts, trying to find an optimal setup. Anyone got a decent source for KAC/P&S rail covers for the RAS? Everywhere I look, they're expensive as hell.
View Quote
I just bought a random assortment of kac panels on eBay for 30 bucks. A couple long, few medium,and a few short.
Link Posted: 5/2/2018 11:06:28 PM EST
[Last Edit: Mygrainman] [#4]
I gotta question... then a story about how I backed into a Block1 build.

Question:  did somebody at KAC spill something in my rail cover sleeve or is there supposed to be sticky/stinky shit in it?

Story:
I decided to get a table at a local(ish) gun show.  Day 1 first guy to my table comes up and asks if I wanted to buy a “tri-pod” for an AR.  He said it was out in his car.... I said “not really, but I’ll look at it”.  He’s an older guy probably in his 70s and I figured he had some big ol’ monstrosity that he’d need help with so I asked him if he wanted me to go out and look at it, but he said no... he showed back up about an hour later with this box..

" />

Obviously not a tripod... but well worth the $80 he was asking

Then the second day about an hour before time to pack up... I was walking back from the little boys room and noticed a barrel sitting on a table that wasn’t there the last time I went a few hours earlier... somebody had the vendor put it back the day before and was going to be “right back” with cash, but didn’t come back so... he sold it to me for $125

I had a MaTech sitting on my table that I got for almost nothing over a year ago and even at $35 nobody bought it.  It’s not for sale anymore.

" />

And that’s how the universe told me I needed to build a Block1

Colt upper/BCG and FSP strap swivel are inbound.  Gunna order an A2x presently... And there’s a 6920 lower out there somewhere just waiting for me.
The rest will come as funds allow.
Link Posted: 5/2/2018 11:10:29 PM EST
[#5]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Mygrainman:
I gotta question... then a story about how I backed into a Block1 build.

Question:  did somebody at KAC spill something in my rail cover sleeve or is there supposed to be sticky/stinky shit in it?

Story:
I decided to get a table at a local(ish) gun show.  Day 1 first guy to my table comes up and asks if I wanted to buy a “tri-pod” for an AR.  He said it was out in his car.... I said “not really, but I’ll look at it”.  He’s an older guy probably in his 70s and I figured he had some big ol’ monstrosity that he’d need help with so I asked him if he wanted me to go out and look at it, but he said no... he showed back up about an hour later with this box..

https://s26.postimg.cc/inxtg5eah/07784921-61_F8-442_C-8_CF4-4_DCE32314_B24.jpg" target="_blank">https://s26.postimg.cc/inxtg5eah/07784921-61_F8-442_C-8_CF4-4_DCE32314_B24.jpg

Obviously not a tripod... but well worth the $80 he was asking

Then the second day about an hour before time to pack up... I was walking back from the little boys room and noticed a barrel sitting on a table that wasn’t there the last time I went a few hours earlier... somebody had the vendor put it back the day before and was going to be “right back” with cash, but didn’t come back so... he sold it to me for $125

I had a MaTech sitting on my table that I got for almost nothing over a year ago and even at $35 nobody bought it.  It’s not for sale anymore.

https://s26.postimg.cc/93e6ta4dx/1551_C40_F-_A008-4383-9_D4_E-_DBC079_A50_F86.jpg" target="_blank">https://s26.postimg.cc/93e6ta4dx/1551_C40_F-_A008-4383-9_D4_E-_DBC079_A50_F86.jpg

And that’s how the universe told me I needed to build a Block1

Colt upper/BCG and FSP strap swivel are inbound.  Gunna order an A2x presently... And there’s a 6920 lower out there somewhere just waiting for me.
The rest will come as funds allow.
View Quote
Nice tripod. Worth the 80 bucks for sure
Link Posted: 5/2/2018 11:41:38 PM EST
[#6]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By rb889:

Little off topic, but I'm reminded of someone mentioning nord lock washers for thread-on cans. Looked into that a couple years ago, but do any of you have experience with them?

Back on-topic... Still playing with KAC's rail covers and different grips, light and sling mounts, trying to find an optimal setup. Anyone got a decent source for KAC/P&S rail covers for the RAS? Everywhere I look, they're expensive as hell.
View Quote
Sorry, no info for you on the nord lock washers. I've heard of guys using them but I've never actually seen them in action.

Like the others said, EE or the bay. How many you need? I may have a couple laying around I could just mail to ya.
Link Posted: 5/2/2018 11:48:30 PM EST
[#7]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Tigwelder1971:
Lemme start by saying... I have zero interest in doing anymore of these.  

Besides the fact that I am no machinist,  I'm doing these at work on shared machinery. Every fukn time I get set up, it seems I have to tear down for somebody. Finally, after way too many hours,  I have one completed. Figured I'd show it here as some have shown interest in doing the same. Redi Mag into Redi Modish.

I'm free balling it in a Bridgeport manual.
(I really need my own machine).
https://www.AR15.Com/media/mediaFiles/416992/20180502_131742_1525286289278_001-531986.jpg
https://www.AR15.Com/media/mediaFiles/416992/20180430_150147_1525286289371_001-531987.jpg
https://www.AR15.Com/media/mediaFiles/416992/20180430_150139_1525286289474_001-531988.jpg

@DontBuryMe
View Quote
Awesome.

Wanna do mine?

Whenever DBM ships mine
Link Posted: 5/2/2018 11:52:33 PM EST
[#8]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Tigwelder1971:
Thanks.

Wish I could get dedicated mill time.
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Originally Posted By Tigwelder1971:
Originally Posted By JJREA:
Good job Tigwelder!
Originally Posted By Lancelot:

Good work.
Thanks.

Wish I could get dedicated mill time.
We had an old CNC at work that still had manual controls on the XYZ, but nothing to power the head and the computer running it didn't work. Boss had a line on a guy to convert it to manual so we could use it instead of it collecting dust in the corner. One day he finally moves it out of the shop and sat in our other building for a few months. He got tired of it in there so we loaded it and some other junk up to take to scrap. A full 48' flatbed and all we got was $250. If I knew he was going to get raped that hard I would've had them drop it at my house and gave him $250.
Link Posted: 5/2/2018 11:53:53 PM EST
[#9]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By rb889:
Little off topic, but I'm reminded of someone mentioning nord lock washers for thread-on cans. Looked into that a couple years ago, but do any of you have experience with them?

Back on-topic... Still playing with KAC's rail covers and different grips, light and sling mounts, trying to find an optimal setup. Anyone got a decent source for KAC/P&S rail covers for the RAS? Everywhere I look, they're expensive as hell.
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Originally Posted By rb889:
Originally Posted By Tigwelder1971:
Originally Posted By 5pt56:
Originally Posted By wissota4:

Reason why crush washer is nogo?
They are not always concentric and can whopper jaw your can and cause a baffle strike.  They also may make your A2 flash hider or other mount for your can whopper jawwed causing the same problem. I just wanted to say whopper jaw again. It's a technical term.
WHOPPER JAW! (AKA: WHOOPACHAW!)

As stated above.   Also, when/if the cw loses its "spring" tension, then your MD is flopping around.

I see guys that do a home P/W job with CWs, some put too much heat into the task and end up with a loose MD.
Little off topic, but I'm reminded of someone mentioning nord lock washers for thread-on cans. Looked into that a couple years ago, but do any of you have experience with them?

Back on-topic... Still playing with KAC's rail covers and different grips, light and sling mounts, trying to find an optimal setup. Anyone got a decent source for KAC/P&S rail covers for the RAS? Everywhere I look, they're expensive as hell.
Nord Locks are da shizz. Very limited experience, but I'd switch to using solely them if they weren't so expensive.
Link Posted: 5/3/2018 1:19:43 AM EST
[#10]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By HammerForged:
Do any Block 1.5s use a geissele SSF?
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Link Posted: 5/3/2018 4:15:06 AM EST
[#11]
I finally got two correct SOPMOD stocks from brownells and another KAC foregrip.
Link Posted: 5/3/2018 5:21:00 AM EST
[#12]
Link Posted: 5/3/2018 8:08:30 AM EST
[#13]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By HammerForged:
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No, not that I've seen. If I recall correctly the SSF wasn't out yet when the PR were happening.
Link Posted: 5/3/2018 8:16:55 AM EST
[#14]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SecretSquirell:

Awesome.

Wanna do mine?

Whenever DBM ships mine
View Quote
It's en route!
Link Posted: 5/3/2018 8:04:13 PM EST
[#15]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By 5pt56:

No, not that I've seen. If I recall correctly the SSF wasn't out yet when the PR were happening.
View Quote
Thanks.
Link Posted: 5/3/2018 8:04:51 PM EST
[#16]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By 5pt56:

No, not that I've seen. If I recall correctly the SSF wasn't out yet when the PR were happening.
View Quote
Thanks.
Link Posted: 5/4/2018 2:34:38 AM EST
[#17]
What is the Name & model number of the Long and skinny Suunto green Digtial GPS that SPEC-OPS mount to their SOPMOD stock. I want one for clone build MK18 RIS II.
Link Posted: 5/4/2018 8:50:52 AM EST
[Last Edit: DontBuryMe] [#18]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Lawdog-1:
What is the Name & model number of the Long and skinny Suunto green Digtial GPS that SPEC-OPS mount to their SOPMOD stock. I want one for clone build MK18 RIS II.
View Quote
Are you thinking of the Garmin Foretrex 401 by chance?
Link Posted: 5/4/2018 10:12:19 AM EST
[#19]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By DontBuryMe:
Are you thinking of the Garmin Foretrex 401 by chance?
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Discussion ForumsJump to Quoted PostQuote History
Originally Posted By DontBuryMe:
Originally Posted By Lawdog-1:
What is the Name & model number of the Long and skinny Suunto green Digtial GPS that SPEC-OPS mount to their SOPMOD stock. I want one for clone build MK18 RIS II.
Are you thinking of the Garmin Foretrex 401 by chance?
Attachment Attached File
Link Posted: 5/4/2018 12:33:44 PM EST
[#20]
Yes, Thank You, very much. Sorry I type the wrong name brand.
Link Posted: 5/4/2018 4:46:38 PM EST
[#21]
Link Posted: 5/4/2018 4:52:44 PM EST
[#22]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Tigwelder1971:
Help me out guys....

WTF is the difference between an RIS and a RAS???
View Quote
KAC M4 RIS is essentially the gen 1 version of the KAC M4 RAS. The attachment screw was on the front at the handguard cap instead of the rear. It was numbered backwards which was a head scratcher lol. Other than that though they're essentially the same. The RAS attachment method is a bit more stout tho
Link Posted: 5/4/2018 5:03:38 PM EST
[#23]
Link Posted: 5/4/2018 5:08:36 PM EST
[Last Edit: JJREA] [#24]
Yeah, thank you.  I never really knew either.  LOL.  Never bought one yet....  They're starting to call to me but I'm always behind the 8 ball on these things.  Now I hear they're going for crazy money on the EE.
Link Posted: 5/4/2018 5:19:43 PM EST
[#25]
Link Posted: 5/4/2018 10:10:54 PM EST
[#26]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Tigwelder1971:
~ $110 to $135 is avereage EE price lately.....
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Originally Posted By Tigwelder1971:
Originally Posted By JJREA:
Yeah, thank you.  I never really knew either.  LOL.  Never bought one yet....  They're starting to call to me but I'm always behind the 8 ball on these things.  Now I hear they're going for crazy money on the EE.
~ $110 to $135 is avereage EE price lately.....
Yup, and $150 from KAC for RAS "seconds," with cosmetic blemishes. Don't mix it up with the RAS 2, which has a nub that floats the rail off of the upper receiver like the SIR rails.

When getting secondhand, look for one that has a set of rail covers and VFG included. The covers are nice, they feel just like the standard plastic handguard.
Link Posted: 5/5/2018 10:38:47 AM EST
[Last Edit: Stukas87] [#27]
New Lower for Block I Clone, now all Colt.

I hate to say this Block I debut was 1997, Id say its just about time
Block Is should be in the retro thread, especially since URGI starting to roll out.
Link Posted: 5/5/2018 10:40:01 AM EST
[#28]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Stukas87:
New Lower for Block I Clone, now all Colt.

I hate to say this Block I debut was 1997, Id say its just about time
Block Is should be in the retro thread, especially since URGI stating roll out.
https://i.imgur.com/gifCb1h.jpg
View Quote
But 1997 was only 10 years ago...
Link Posted: 5/5/2018 10:48:23 AM EST
[#29]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By DontBuryMe:

But 1997 was only 10 years ago...
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in my mind also
Link Posted: 5/5/2018 11:17:28 AM EST
[#30]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Mygrainman:
I gotta question... then a story about how I backed into a Block1 build.

Question:  did somebody at KAC spill something in my rail cover sleeve or is there supposed to be sticky/stinky shit in it?
View Quote
YES!! I had a set about 3-4 years ago like that....really frustrating. I think I eventually just threw away the bag. I thought the previous owner spilled something all over it!
Link Posted: 5/5/2018 11:46:54 AM EST
[#31]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By minion42:
YES!! I had a set about 3-4 years ago like that....really frustrating. I think I eventually just threw away the bag. I thought the previous owner spilled something all over it!
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Originally Posted By minion42:
Originally Posted By Mygrainman:
I gotta question... then a story about how I backed into a Block1 build.

Question:  did somebody at KAC spill something in my rail cover sleeve or is there supposed to be sticky/stinky shit in it?
YES!! I had a set about 3-4 years ago like that....really frustrating. I think I eventually just threw away the bag. I thought the previous owner spilled something all over it!
I thought some fat ass arfcommer spilled coke in mine. No shit.
Link Posted: 5/5/2018 12:01:31 PM EST
[#32]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Mossyrocks:

I thought some fat ass arfcommer spilled coke in mine. No shit.
View Quote
Same.
Link Posted: 5/5/2018 12:26:56 PM EST
[#33]
Link Posted: 5/5/2018 4:01:08 PM EST
[#34]
Does anyone know when SOCOM barrels starting going onto SOPMOD rifles? I'm finally going to replace the 16" barrel on my early Block I clone, but I'm not sure if I should get a SOCOM barrel or M4 profile


20180325-IMG_9141-Canon EOS 6D-35 mm
Link Posted: 5/5/2018 4:19:43 PM EST
[#35]
Link Posted: 5/5/2018 7:31:32 PM EST
[#36]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Tigwelder1971:
According to Wiki:

"On 30 October 2009, Army weapons officials proposed a series of changes to the M4 to Congress. Requested changes included an electronic round counter that records the number of shots fired, a heavier barrel, and possibly replacing the direct impingement system with a gas piston system."

Not exactly sure when the bbls actually were implemented.
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Originally Posted By Tigwelder1971:
Originally Posted By UsubM:
Does anyone know when SOCOM barrels starting going onto SOPMOD rifles? I'm finally going to replace the 16" barrel on my early Block I clone, but I'm not sure if I should get a SOCOM barrel or M4 profile

https://farm1.staticflickr.com/803/41010779811_5fddb129d5_h.jpg
20180325-IMG_9141-Canon EOS 6D-35 mm
According to Wiki:

"On 30 October 2009, Army weapons officials proposed a series of changes to the M4 to Congress. Requested changes included an electronic round counter that records the number of shots fired, a heavier barrel, and possibly replacing the direct impingement system with a gas piston system."

Not exactly sure when the bbls actually were implemented.
Way earlier than that for SOCOM tho

@Combat_Diver wasn’t it 95 you guys started getting them? I know that sounds crazy early but it also sounds correct to me lol
Link Posted: 5/5/2018 8:09:04 PM EST
[#37]
Link Posted: 5/5/2018 8:40:09 PM EST
[Last Edit: Mygrainman] [#38]
My first start from scratch clone build, and I’m loving it!   This morning it looked like this...

I just picked up,the M952 KIT01 as new in the package last night for $100! and that kinda motivated me to work on the Block1 so picked up a few things and set to working on the upper today and it’s coming right along!



I’m a clone newb so I have a couple Qestions for y’all... A2x or a A2+spacer... which is better?

Also.. I have a Colt Alcoa(AF) and a Colt BA(square) marked uppers... the “square” has T marks, and the AF does not... which is better for a block one? or does it matter? Right now the AF is on my Commando 11.5”(agency/SWAT trade in upper), and the brass aluminum forge is on my block 1.

I need lowers for both, obviously the 11.5” will need something pistolizable. My lgs has Colt competition marked virgin lowers, but that might look funny on a Commando. I want LE restricted, but don’t think they are available in virgin form. Until I get the right lowers and p and w something to the 14.5” they are sharing a Aero lower with a Sig brace. I’ll probably just put the Block1 on a LE6920 lower after I pin and weld and keep the Commando on the aero and SBR it with a LE Restrited lower later.


Link Posted: 5/5/2018 8:44:10 PM EST
[Last Edit: TGWLDR] [#39]
Link Posted: 5/5/2018 8:57:35 PM EST
[#40]
My only concern with the spacer is how well a m9 will attach once installed.   One of the best parts of having a 14.5” bbl is bayobillity.
Link Posted: 5/5/2018 9:12:34 PM EST
[#41]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By DontBuryMe:
It's en route!
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Originally Posted By DontBuryMe:
Originally Posted By SecretSquirell:

Awesome.

Wanna do mine?

Whenever DBM ships mine
It's en route!
Forgot to tell you, it showed up today.

Thanks!
Link Posted: 5/5/2018 9:19:49 PM EST
[#42]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By DontBuryMe:
But 1997 was only 10 years ago...
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Discussion ForumsJump to Quoted PostQuote History
Originally Posted By DontBuryMe:
Originally Posted By Stukas87:
New Lower for Block I Clone, now all Colt.

I hate to say this Block I debut was 1997, Id say its just about time
Block Is should be in the retro thread, especially since URGI stating roll out.
https://i.imgur.com/gifCb1h.jpg
But 1997 was only 10 years ago...
Dammit, it really does feel like that.
Link Posted: 5/5/2018 9:21:36 PM EST
[#43]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Mygrainman:
My first start from scratch clone build, and I’m loving it!   This morning it looked like this...
https://s26.postimg.cc/7d4uwarq1/0_F6567_A4-62_A5-4_FAC-_A696-7_D8508_B2026_F.jpg
I just picked up,the M952 KIT01 as new in the package last night for $100! and that kinda motivated me to work on the Block1 so picked up a few things and set to working on the upper today and it’s coming right along!

https://s26.postimg.cc/dqtxzhz61/1_DFC7408-77_C2-4_F32-8_D00-4163_F88_B2_DE1.jpg

I’m a clone newb so I have a couple Qestions for y’all... A2x or a A2+spacer... which is better?

Also.. I have a Colt Alcoa(AF) and a Colt BA(square) marked uppers... the “square” has T marks, and the AF does not... which is better for a block one? or does it matter? Right now the AF is on my Commando 11.5”(agency/SWAT trade in upper), and the brass aluminum forge is on my block 1.
https://s26.postimg.cc/82nn8p2k9/E50_C95_BB-_F82_A-4911-_B869-244_F609_E6728.jpg
I need lowers for both, obviously the 11.5” will need something pistolizable. My lgs has Colt competition marked virgin lowers, but that might look funny on a Commando. I want LE restricted, but don’t think they are available in virgin form. Until I get the right lowers and p and w something to the 14.5” they are sharing a Aero lower with a Sig brace. I’ll probably just put the Block1 on a LE6920 lower after I pin and weld and keep the Commando on the aero and SBR it with a LE Restrited lower later.

https://s26.postimg.cc/bz0z4nsop/27909_BD2-_C1_CF-4376-85_C9-4_AA2_AE2036_C0.jpg
https://s26.postimg.cc/a7809sjmh/0_A70436_C-9392-408_F-870_E-0_C8_B45_F177_B4.jpg
View Quote
SPACER!! A2X is aids.
Link Posted: 5/5/2018 10:09:54 PM EST
[#44]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By MILSPEC556:
Way earlier than that for SOCOM tho

@Combat_Diver wasn't it 95 you guys started getting them? I know that sounds crazy early but it also sounds correct to me lol
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Originally Posted By MILSPEC556:
Originally Posted By Tigwelder1971:
Originally Posted By UsubM:
Does anyone know when SOCOM barrels starting going onto SOPMOD rifles? I'm finally going to replace the 16" barrel on my early Block I clone, but I'm not sure if I should get a SOCOM barrel or M4 profile

https://farm1.staticflickr.com/803/41010779811_5fddb129d5_h.jpg
20180325-IMG_9141-Canon EOS 6D-35 mm
According to Wiki:

"On 30 October 2009, Army weapons officials proposed a series of changes to the M4 to Congress. Requested changes included an electronic round counter that records the number of shots fired, a heavier barrel, and possibly replacing the direct impingement system with a gas piston system."

Not exactly sure when the bbls actually were implemented.
Way earlier than that for SOCOM tho

@Combat_Diver wasn't it 95 you guys started getting them? I know that sounds crazy early but it also sounds correct to me lol
According to Chris Bartocci's book, the problem of "bursting barrels" was encountered between '96 to '98, and after investigations were done
"a new heavy barrel was designed for the M4A1 to better cope with the excessive operational  conditions which SOCOM demanded, by providing a larger bearing surface from which heat could dissipate. Additionally, a new heavier M4 buffer, designated the H2, was designed to enhance
reliability by preventing any possible bolt bounce due to the extremely high cyclic rates of full-automatic fire."

A "high reliability kit" was proposed for SOCOM which included the heavier barrel and the H2 buffer. Not exactly sure of the date, but sometime in the '98 to '99 time frame?
So definitely during the SOPMOD Block I program and before Block II began in '05.
Link Posted: 5/5/2018 10:53:50 PM EST
[#45]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SecretSquirell:

Forgot to tell you, it showed up today.

Thanks!
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Word.
Link Posted: 5/6/2018 7:42:17 AM EST
[#46]
Link Posted: 5/6/2018 7:59:34 AM EST
[#47]
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Great pair!
Link Posted: 5/6/2018 9:25:52 AM EST
[#48]
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Originally Posted By Mossyrocks:

Great pair!
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Thanks!
Link Posted: 5/6/2018 1:11:54 PM EST
[#49]
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Originally Posted By Mygrainman:
My only concern with the spacer is how well a m9 will attach once installed.   One of the best parts of having a 14.5” bbl is bayobillity.
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Yup. That's what I like about the A2X. But I do like both. Comparison Pics.









Link Posted: 5/6/2018 1:17:34 PM EST
[#50]
Need A2X to correctly mount bayonet, need spacer to correctly mount BFA. (Things I've learned on the subject)

If you ask me, id rather be able to use my bayo correctly than my BFA. But the spacer does look better
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