THE GREATEST GUIDE TO KNIGHTS ARMAMENT SR-15 CQB 11.5 UPPER

Keep in mind that the MAS immediate impingement style and design reduced the amount of reciprocating pieces in the bolt group to only 6: the bolt copyright, the bolt overall body, the extractor, ejector, firing pin and recoil spring. It requires only seconds to disassemble the bolt mechanism for maintenance.Also there are the buffer tube mounts for