WHAT DOES COLT 20 INCH CLASSIC UPPER MEAN?

The contemporary M16/M4 rifle is created around the notion of modularity. Each of the BCM® flat best uppers element a USGI kind laser etched T-marks to provide addressing for that remounting of tactical add-ons like optics, laser sights, and so forth.Your privateness is crucial to us, and any private information you provide to us is saved strictly