EVERYTHING ABOUT AR 15 UPPERS COMPLETE 20 INCH BARREL A2 COLT

The up to date M16/M4 rifle is built around the notion of modularity. Most of the BCM® flat top uppers characteristic a USGI form laser etched T-marks to deliver addressing for the remounting of tactical components including optics, laser sights, and many others.WARNING: This products can expose you to definitely substances including arsenic, whic