The normal SMG utilizes a ten.5 inch barrel While using the conventional “fowl cage” flash suppressor and frequent carbine handguards. The barrel includes a chrome lined bore and chamber. The barrel can be produced in 16-inch size to the business/LE carbines. Posted by Phil Herbert on 22nd Apr 2023 I’ve https://colt-9mm-upper41862.shotblogs.com/examine-this-report-on-colt-smg-upper-40665447