The normal SMG takes advantage of a 10.five inch barrel While using the normal “chook cage” flash suppressor and common carbine handguards. The barrel has a chrome lined bore and chamber. The barrel can be manufactured in sixteen-inch size for your business/LE carbines. Like most SMGs, the DOE SMG received https://colt-smg-upper-receiver74073.csublogs.com/32395942/a-review-of-colt-10-5-inch-9mm-smg-upper-receiver-assembly