Noveske N4 Afghan Complete Upper Features The Noveske N4 Afghan upper is chambered in 6mm ARC and built around a 14.5 inch 416R stainless steel barrel featuring a 1 in 7 twist rate and 3 land and groove rifling tuned to stabilize the cartridge s longer higher ballistic coefficient bullets. A hand polished Noveske Match Chamber and extended hand polished feed ramps work together to promote smooth reliable feeding and consistent accuracy. The mid length gas system is paired with a pinned low profile gas block ensuring the gas system stays properly timed and secured for the life of the barrel. The Noveske Pig Pen muzzle device is permanently pinned and welded to bring the overall barrel length to 16 inches allowing this upper to be installed on a rifle configured lower without triggering NFA short barreled rifle requirements. Built on a 4th generation billet 7075-T6 aluminum receiver the N4 Afghan upper pairs with a 13.5 inch NSR free floating M-LOK handguard that includes a continuous Picatinny top rail for mounting optics and accessories. A Noveske Love Handle ambidextrous charging handle allows the upper to be charged easily from either side a useful feature for shooters running the upper on an ambidextrous lower. The DLC coated Noveske bolt and full auto bolt carrier group are engineered for durability and smooth cycling under repeated use. Finished in Cerakote Armor Black this complete upper gives AR-15 builders a premium ready to run 6mm ARC solution with ideal spacing already built in for suppressor mounting. Noveske N4 Afghan Complete Upper Specifications Manufacturer: Noveske Model: N4 Afghan Complete Upper Type: Complete Upper Caliber: 6mm ARC Barrel Length: 16 Barrel Material: 416R Stainless Steel Twist Rate: 1:7 Thread Pattern: 5/8x24 Finish: Cerakote Color: Black Handguard: 13.5 M-LOK Handguard Sights: Flat Top Compatible Hosts: AR-15 Includes: Charging Handle Available At: GrabAGun