EVERYTHING ABOUT AR 15 UPPERS COMPLETE 20 INCH BARREL A2 COLT

The modern M16/M4 rifle is constructed around the strategy of modularity. All the BCM® flat leading uppers function a USGI form laser etched T-marks to supply addressing for your remounting of tactical equipment for instance optics, laser sights, and many others.Upgrading or purchasing a new AR-15? Then the twenty inch AR15 complete upper is a mus