The common SMG works by using a 10.five inch barrel with the standard “chicken cage” flash suppressor and standard carbine handguards. The barrel provides a chrome lined bore and chamber. The barrel is additionally produced in sixteen-inch size for the business/LE carbines. All products uncovered on our website are available https://colt105inch9mmsmgupperrec18518.ampedpages.com/details-fiction-and-colt-smg-upper-receiver-53950360