This 16" C7-A1 Dissipator Upper Assembly is designed for the shooter who wants the classic A2 look. It is a complete A2 Fixed Carry Handle Upper Receiver Assembly - ready to snap onto your Lower. The barrel is from Double Star, Gov Carbine with False FSB at the rifle position, rifled 1 x 9" RHT bore and chamber are chrome lined. An A1 Flash Suppressor, standard A2 Front Sight base with sling swivel and bayonet lug are fitted. The assembly includes our trianglepremium quality rifle length handguards molded from a fiberglass composite for heat resistance in sustained fire - they will not deform when subjected to high barrel heat.