The normal SMG employs a 10.5 inch barrel Along with the conventional “hen cage” flash suppressor and standard carbine handguards. The barrel includes a chrome lined bore and chamber. The barrel is likewise made in sixteen-inch length for that professional/LE carbines. It is actually an ordinary FSB and no I https://dallaspdtbj.therainblog.com/26193227/what-does-colt-smg-upper-mean