XM177E2 OPTIONS

Due to short barrel, the CAR-15 SMGs endured from a loud and bright muzzle blast, and a number of muzzle devices had been designed to lessen this. The SMGs were being in the beginning equipped While using the conventional M16 rifle's "duckbill" or 3-prong flash hiders, which didn't relieve the issue. In September 1966, Colt developed a 3.5-inch (89