THE BASIC PRINCIPLES OF COLT AR 15 UPPERS

The present-day M16/M4 rifle is constructed around the notion of modularity. Every one of the BCM® flat top uppers characteristic a USGI variety laser etched T-marks to offer addressing to the remounting of tactical accessories including optics, laser sights, and many others.Crafted for uncompromising trustworthiness and longevity, the M16A2 incor