The regular SMG works by using a 10.5 inch barrel Along with the conventional “bird cage” flash suppressor and regular carbine handguards. The barrel incorporates a chrome lined bore and chamber. The barrel is likewise produced in sixteen-inch duration to the commercial/LE carbines. Like most SMGs, the DOE SMG obtained https://colt9mmupper37612.bloggosite.com/32961622/colt-smg-upper-receiver-options