20″ 5.56 Lightweight Pencil Profile

• Chamber – 5.56
• Barrel Twist– 1×9
• Barrel Thread– 1/2×28
• Barrel Steel –4150 Chrome Moly Vanadium; Phosphate
• Flash Hider– A2
• Handguard – A2 Standard Rifle Length Black 
• Gas Block – NA
• Sight– NON F Marked Tower .750 Platform
• Gas System – Rifle 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.