16″ 5.56 Heavy Barrel 

• Chamber– 5.56MM
• Profile – Heavy
• Barrel Steel – 4150 Chrome Moly Vandium
• Barrel Twist– 1×9
• Barrel Thread– 1/2 x 28
• Flash Hider– A2
• Handguard– 9” Mid Length A2 2 Piece – Black
• Gas Block– .750 F Marked Sight Tower
• Gas System – Mid Length
• Upper Receiver – A2 Upper Receiver 
• Bolt Carrier Group– Included
• Charging Handle– 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.