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Posted: 9/30/2004 4:37:16 AM EST
Hi! My first post here.

I got a new Bushmaster M4 style carbine before the ban expired and am having fun buying the accessories for it thanks to a lot of help with information from this forum. A GREAT place for info!

Question: How tight should the fit up be between the upper and lower receiver? Mine has a very slight wobble and it has been nearly two decades since my Army Guard Mechanized Infantry days to remember how a "typical" M-16 fits together. I know generally military style weapons have tolerances built in for the abusive environment they see. Is a little wobble normal?
Link Posted: 9/30/2004 4:52:08 AM EST
Even my match HBAR wobbles a little. It is not a problem, the sights are affixed to the barrel, not the lower receiver. It's alarming but harmless to accuracy or functioning. Ops
Link Posted: 9/30/2004 12:31:12 PM EST
Accuwedge will fix that. I had a very slight wobble at the range and my buddy handed me one of those to install, and let me tell you, it is tight now!!!
Link Posted: 9/30/2004 12:34:18 PM EST

Originally Posted By robo50:
Accuwedge will fix that. I had a very slight wobble at the range and my buddy handed me one of those to install, and let me tell you, it is tight now!!!



+1

This is an inherent problem in the AR design and the accuwedge was specifically made to address this problem.

You can get one for $2 at RGUNS here
Link Posted: 9/30/2004 12:55:11 PM EST
you can go accuwedge. that's true. but a dab of epoxy on the rear lug of the upper will do the same thing and you won't loose it when cleaning your rifle.
i don't have to tell you to let it dry before assembling the upper and lower and use a file to remove the excess.
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