WHAT DOES COLT SMG UPPER MEAN?

The standard SMG works by using a ten.5 inch barrel Along with the standard “chicken cage” flash suppressor and common carbine handguards. The barrel features a chrome lined bore and chamber. The barrel is also made in 16-inch size with the professional/LE carbines.The better part is, You can utilize 9mm Journals on your pistol by obtaining a 9