THE GREATEST GUIDE TO XM177E2

As a result of small barrel, the vehicle-15 SMGs endured from the loud and bright muzzle blast, and a number of muzzle devices had been created to lessen this. The SMGs have been originally equipped Using the normal M16 rifle's "duckbill" or a few-prong flash hiders, which did not ease the condition. In September 1966, Colt made a 3.5-inch (89 mm)