THE ULTIMATE GUIDE TO COLT M4 MAGPUL

Because of the quick barrel, the vehicle-15 SMGs experienced from the loud and bright muzzle blast, and a number of muzzle devices were designed to cut back this. The SMGs were being originally equipped While using the conventional M16 rifle's "duckbill" or three-prong flash hiders, which didn't alleviate the issue. In September 1966, Colt formulat