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Posted: 9/13/2004 7:32:24 PM EDT
Do all Bushmaster barrels/uppers have manufacturer markings? The reason I ask is I purchased what I thought was a 14.5 A3 Bushmaster Upper off of these boards but when the upper arrived, there were no markings anywhere on the upper, barrel, or bolt/carrier. How in the hell can I figure out what I have, what the twist is etc? Thanks for any help!
Link Posted: 9/13/2004 8:26:45 PM EDT
Link Posted: 9/13/2004 8:32:23 PM EDT

tag - Quick question. Does BM put in markings on their barrels about chrome lining? I know colt does, but i have a BM and it doesn't have a c on it. Looks like it is chrome lined. (frosting around the muzzle crown)

btw - i got my g27 grip today. Thanks for the quick shipping - looks great and feels good.
Link Posted: 9/13/2004 11:53:35 PM EDT
Link Posted: 9/14/2004 1:46:10 AM EDT
I think all RRA barrels are unmarked.

Another possibity is that the barrel was cut down from a longer one and the markings were removed by the cutting.
Link Posted: 9/14/2004 5:50:51 PM EDT
Thanks for the replies guys... After looking at all the aftermarket mfg's and considering your comments, it probably is a RRA M4 upper. Thanks again...
Link Posted: 9/14/2004 6:15:48 PM EDT
On M4 profile barrels - the RRA will have less contouring done, especially near the barrel extension than a Bushmaster barrel.
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