NOT KNOWN FACTUAL STATEMENTS ABOUT COLT M4 MAGPUL

Because of the brief barrel, the CAR-fifteen SMGs endured from the loud and bright muzzle blast, and a variety of muzzle equipment were being created to cut back this. The SMGs were at first fitted While using the conventional M16 rifle's "duckbill" or 3-prong flash hiders, which did not reduce the challenge. In September 1966, Colt designed a thre