XM177E2 OPTIONS

As a result of quick barrel, the vehicle-fifteen SMGs endured from a loud and bright muzzle blast, and several muzzle units were being designed to lessen this. The SMGs ended up to begin with fitted Along with the conventional M16 rifle's "duckbill" or a few-prong flash hiders, which didn't alleviate the trouble. In September 1966, Colt created a 3