16″ 5.56 Chamber – 5.56 Barrel Twist– 1×7 Barrel Thread– 1/2×28 Barrel Steel –Chrome Moly Vanadium 4150 Flash Hider– A2 Handguard – 2 Piece Carbine – Black Gas Block Profile – .750 Sight– F Marked Tower Gas System – Carbine Length Upper Receiver – A2 Upper Receiver M4 Feed Ramps Complete w/ Fwd Assy & Ej Door Bolt Carrier Group – Included Charging Handle– Included Mag NOT Included Warranty: 1 year warranty against manufacturer defect. ***Ammunition Notification*** JSE Surplus test fires every custom upper to verify cycling. We do not guarantee cycling with all ammunition due to vast differences in the quality of ammunition. We will only warranty cycling with US made ammunition. We will not warranty cycling with imported, steel cased or reloaded rounds. Some of the non-warrantied ammo includes: Tula, Wolf and Perfecta.
