Billet .308 Upper Assembly NiB-X coated 7075 T6 billet aluminum upper and charging handle NiB-X BCG Match Grade 18″ .308 barrel with Nitromet ID and OD finish Nitromet gas tube Nitromet ejection port cover and forward assist NiB-X low profile gas block NiB-X MLOK Handguard with rail slots every 90° Muzzle break to reduce recoil and muzzle rise Drops onto any .308 Mil Spec lower receiver for ultimate reliability
