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12/11/2018 1:58:31 AM
11/9/2018 9:21:38 PM
Posted: 4/5/2013 8:01:04 AM EST
This was put together by my Gunsmith who works for Windham Weaponry. He took these picture and gave a write-up while disassembling my Bushmaster Assault Rifle. I thought I'd share it with y'all.

Make sure weapon is unloaded!
With a small screwdriver carefully remove pivot pin clip


Push takedown pin out and remove pivot pin and separate upper and lower receivers


Push spring retainer in with a punch and remove locking yoke




Draw cocking handle back to the round cut out in the receiver and remove cocking handle


Draw the bolt carrier slide all the way out the back of the receiver


Push firing pin retainer out with a punch and remove firing pin



Remove cam pin and bolt assembly



Reassemble in reverse order.
Link Posted: 4/5/2013 8:14:42 AM EST
Link Posted: 4/5/2013 8:16:28 AM EST
Neato! Always have considered picking one up just out of pure interest.
Link Posted: 4/5/2013 8:29:19 AM EST
Wow, thats a lot of little parts to loose if you are having mechanical issues in the field!
Link Posted: 4/5/2013 9:30:37 AM EST
[Last Edit: 4/5/2013 9:30:53 AM EST by Cdenmark]
Very nice post. Thanks. Don't see many of those locally but BM AR-15's are quite popular.
Link Posted: 4/5/2013 10:43:30 AM EST
very nice thank you
Link Posted: 4/5/2013 2:55:09 PM EST
Interesting.
I came very close to picking one up, back in the day.
Link Posted: 4/5/2013 7:05:24 PM EST
Originally Posted By CRsmoker250:
Wow, thats a lot of little parts to loose if you are having mechanical issues in the field!


I was thinking that too.

Link Posted: 4/6/2013 3:20:15 PM EST
Link Posted: 4/6/2013 3:25:33 PM EST
my 3:



Link Posted: 4/6/2013 3:35:21 PM EST
the look hideous, archaic, unrefined, and uncomfortable....


......I want one
Link Posted: 4/11/2013 2:07:49 PM EST
Heres a little info i found on this one
Link Posted: 4/11/2013 2:36:48 PM EST
I had one back in the 90's. The fire control group was primarily M16 parts.
it was suprisingly accurate. Piston driven IIRC.
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