THE GREATEST GUIDE TO KNIGHTS ARMAMENT SR-15 16 UPPER

Keep in mind that the MAS direct impingement style reduced the number of reciprocating components from the bolt group to only 6: the bolt provider, the bolt entire body, the extractor, ejector, firing pin and recoil spring. It takes only seconds to disassemble the bolt system for maintenance.Had to tug the trigger on this upper – u only Are livin