NEW STEP BY STEP MAP FOR COLT SMG UPPER RECEIVER

The standard SMG uses a 10.5 inch barrel With all the standard “hen cage” flash suppressor and common carbine handguards. The barrel contains a chrome lined bore and chamber. The barrel can also be made in sixteen-inch size with the commercial/LE carbines.The better part is, you can use 9mm Publications in your pistol by purchasing a 9mm conver