Bushmaster A2 upper receiver is complete for full auto. The upper receiver has a 14.5" "M4" profiled barrel with lug and A2 flash suppressor. The barrel is 1/9 twist with standard BM feedramps. I got it for the aftermarket gas system it had. I have replaced the aftermarket system with a BM gas tube. It shoots great. I just have too many uppers. There is a BM bolt in a well used Colt carrier group. The bolt has been rebuilt with new ejctor spring, extractor spring and Defender type "O" ring to assist in extraction, and gas rings. There is a couple of nicks here or there but is in very nice shape.
I am looking for $435 shipped. I'm not looking for trades. PSMO is best. I'll take other MOs or personal check but will hold shipment until funds clear my account. The email button is the best way to contact me. Please check my feedback. If you are unsatisfied, please return it in like condition, I'll return your funds.