COLT SMG UPPER - AN OVERVIEW

The very best from the bolt provider teams. The best is the typical five.56mm bolt carrier team. Recognize the bolt, cam pin along with the carrier important. On The underside will be the 9mm SMG bolt group. I have not selected a flat prime or A1 (with out FA and deflector).  I'm thinking a 16" flattop, and a ten.5" with have take care of like yo