This A2 Gov’t. profile barrel kit includes all parts forward of the Upper Receiver, and is ready for your next target or hunting rifle build. Note that this configuration is legal in New York State. The highly accurate 20” barrel is chrome lined and machined from 4150 Chrome Moly Vanadium 11595E steel. Rifling is 1 x 7” – right hand twist. The barrel is finished in Black Manganese Phosphate for protection against rust and corrosion. A standard A2 Front Sight Base with sling swivel is fitted. Kit includes Barrel Nut, Delta Ring Kit and Rifle Length Gas Tube. Rifle Length Handguards are also included. These are premium quality handguards molded from a fiberglass composite for heat resistance in sustained fire – they will not deform when subjected to high barrel heat.