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Posted: 5/27/2017 12:07:44 PM EDT
Have a 16" heavy barrel from 20 years ago during the ban era with a permanently attached muzzle brake. Does anyone know how Armalite installed the brake, pinned, silver soldered, or whatever? Also does anyone know if the barrel is threaded under the brake? I cant see a pin nor do I see evidence of silver solder in the joint. If pinned is there just one? Several ways of doing his of course but I am only interested in how Armalite did this one.
Obviously I want to remove it, any recommendations as to who can do it? 
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Posted: 5/27/2017 12:21:04 PM EDT
[#1]
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Posted: 5/27/2017 4:10:14 PM EDT
[#2]
Press fit.
I helped a friend of mine pull that brake off via vise grips and a hammer. There are little splines aligning the brake to the barrel. Once that came off the gas block was removed and then the same barrel nut reused on the new barrel. |
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Posted: 5/27/2017 5:07:43 PM EDT
[#3]
Was the barrel large enough on the OD once the brake was off to thread to standard 1/2-28?
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Posted: 5/28/2017 11:57:29 AM EDT
[#4]
Bump. I have the same barrel and have wondered the same thing.
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Posted: 5/29/2017 7:02:50 AM EDT
[#5]
I just took the ban Era recoil check off of the barrel of my newly acquired AR10A2 about two months ago.It had a blind pin on the bottom you could see with the naked eye,welded over and ground to match the contour of the recoil check.I ground down through it with a Dremel and split the entire device lengthwise on both sides,just barely to the threads.Then split it in half with a cold chisel, chased the threads with a die,and installed an A2 flash suppressor as God intended.
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Posted: 5/29/2017 7:33:24 AM EDT
[#6]
Quote HistoryQuoted:
I just took the ban Era recoil check off of the barrel of my newly acquired AR10A2 about two months ago.It had a blind pin on the bottom you could see with the naked eye,welded over and ground to match the contour of the recoil check.I ground down through it with a Dremel and split the entire device lengthwise on both sides,just barely to the threads.Then split it in half with a cold chisel, chased the threads with a die,and installed an A2 flash suppressor as God intended. Your style will be blind pinned on the bottom of the brake at 6:00. Armalite also used a cross pin with the pin extending out horizontally at the 5:00 and 7:00 and the barrel would not be threaded when that style pinning was used. |
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Posted: 5/29/2017 9:17:59 AM EDT
[#7]
No matter how it was attached, best option is to have the brake split off (slit in half length-wise) as stated above. This causes the least damage to the barrel, & thus provides the most options you can do with the barrel afterward.
Good luck. |
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Posted: 5/29/2017 11:37:33 AM EDT
[#8]
Quote HistoryQuoted:
No matter how it was attached, best option is to have the brake split off (slit in half length-wise) as stated above. This causes the least damage to the barrel, & thus provides the most options you can do with the barrel afterward. Good luck. |
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