Due to the brief barrel, the CAR-15 SMGs suffered from the loud and bright muzzle blast, and many muzzle equipment ended up formulated to lessen this. The SMGs have been originally equipped with the typical M16 rifle's "duckbill" or 3-prong flash hiders, which didn't relieve the problem. In September 1966, Colt produced a 3.5-inch (89 mm) very lon… Read More