The standard SMG uses a ten.5 inch barrel Using the conventional “hen cage” flash suppressor and frequent carbine handguards. The barrel has a chrome lined bore and chamber. The barrel can also be created in 16-inch length for the business/LE carbines. Old skool OST Agents The 7-inch barrel is a https://rowanyjpud.develop-blog.com/32693911/colt-smg-upper-an-overview