5 EASY FACTS ABOUT COLT M4 MONOLITHIC DESCRIBED

This upper receiver traces its origins back again some 6 years to guns Colt made to the SCAR (Exclusive Functions Forces Battle Assault Rifle) software in the U.S. Exclusive Operations Command (SOCOM). It can be designed to obviate the need to get a independent several-rail handguard for mounting components, affording great alignment of extras moun