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Posted: 1/3/2019 10:57:10 PM EDT
[#1]
I’m subscribing to this thread because I was wondering the same thing but if it’s possible with a surefire warcomp
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Posted: 1/3/2019 11:09:10 PM EDT
[#2]
Quoted:
I've never messed with using a spacers before or know any issues associated with it. Is it possible to get a SiCo ASR flashhider(muzze brake or BE Meyers)pinned and welded on to a 13.7 inch and get to 16inch? Also any recommendations for people to fo the work that have a quick turnaround? |
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Posted: 1/3/2019 11:14:17 PM EDT
[#3]
Retro Arms Works.
Eta: You'd have to run the math to deternine the amount of shim/spacer required. At a certain point it just looks gawdy, IMO. FWIW, spacers are cake if you have the correct tools. I make my own and P/W myself. (14.5" to 16). So long as your flats are parallel, no worries. I surface grind mine to OAL. |
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Posted: 1/3/2019 11:30:30 PM EDT
[#4]
Is this even considered safe? How does it affect the accuracy?
Old farts want to know too. |
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Posted: 1/3/2019 11:30:58 PM EDT
[#5]
Easiest answer to one part of this is John Thomas. Email him. Different fh, but he did the same work for me and it was back in my hands in four days.
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Posted: 1/3/2019 11:40:38 PM EDT
[#6]
Home brew spacers:
Outcome: 
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Posted: 1/3/2019 11:46:40 PM EDT
[#7]
It all depends on the length of the muzzle device.
One thing often overlooked: OAL barrel length + muzzle device length - 0.625" (standard thread length) = total OAL once pinned and welded. I do these quite frequently and am happy to answer any questions. 
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Posted: 1/3/2019 11:50:45 PM EDT
[#8]
Quote HistoryQuoted:
It all depends on the length of the muzzle device. One thing often overlooked: OAL barrel length + muzzle device length - 0.625" (standard thread length) = total OAL once pinned and welded. I do these quite frequently and am happy to answer any questions. http://i43.photobucket.com/albums/e398/unclemoak/61395489-0FC2-4D99-8A91-6FC96AB2EBFB.jpg And that looks amazing, BTW. 
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Posted: 1/4/2019 12:54:06 AM EDT
[#9]
13.7 thread?
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Posted: 1/4/2019 1:33:09 AM EDT
[#10]
Quote HistorySexy, I have a Larue UU I want to set up like that but still be able to use my Omega
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Posted: 1/4/2019 2:00:39 AM EDT
[#11]
With a BE Meyers you don't need a spacer, it does come with a washer that may or may not be needed to put you just over 16". I also fabbed this up with a SF 3 prong before I welded the BE Meyers and it seemed to be right at or above 16", but it is said it doesn't quite make it. I say do it, I love the 13.7/BE Meyer set up it has become one of my favorite rifles to shoot and lives next to my bed. 13.7 midlength ported right is also perfectly reliable.
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Posted: 1/4/2019 2:15:18 AM EDT
[#12]
Quote HistoryQuoted:
It all depends on the length of the muzzle device. One thing often overlooked: OAL barrel length + muzzle device length - 0.625" (standard thread length) = total OAL once pinned and welded. I do these quite frequently and am happy to answer any questions. http://i43.photobucket.com/albums/e398/unclemoak/61395489-0FC2-4D99-8A91-6FC96AB2EBFB.jpg I guess my real question is how unscrewed can you safely go. |
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Posted: 1/4/2019 2:26:19 AM EDT
[#13]
This company specializes in that exact set up.
https://www.weaponoutfitters.com/rifle-parts-components/ar-15-upper-receiver/complete-uppers/custom-built-13-7-barreled-upper-user-configurable.html |
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Posted: 1/4/2019 3:28:04 PM EDT
[#14]
Quote HistoryQuoted: Build I used to have had a Noveske 13.7 with BE Meyer's pinned didn't require much shims at all. ADCO usually has a pretty damn good turn around. 
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Posted: 1/4/2019 6:34:40 PM EDT
[#15]
13.8 is easier with a 249F and crush washer only to be just over 16".
13.8 - .55 (threads) - .10 (shank) + 2.75 (249F) + ~.13 (washer) = 16.03 |
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Posted: 1/4/2019 7:04:38 PM EDT
[#16]
Quote HistoryQuoted:
@Unclemoak I guess my real question is how unscrewed can you safely go. Quote HistoryQuoted:
Quoted:
It all depends on the length of the muzzle device. One thing often overlooked: OAL barrel length + muzzle device length - 0.625" (standard thread length) = total OAL once pinned and welded. I do these quite frequently and am happy to answer any questions. http://i43.photobucket.com/albums/e398/unclemoak/61395489-0FC2-4D99-8A91-6FC96AB2EBFB.jpg I guess my real question is how unscrewed can you safely go. |
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Posted: 1/4/2019 8:13:41 PM EDT
[#17]
if a noveseke 13.7 and be meyers will work for what you need it is a very good set up.
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Posted: 1/5/2019 9:58:11 PM EDT
[#18]
Id buy the .25 spacer from Adco. You'll need a quarter inch to get those MD to 16 on a 13.7
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