8.5″ Stainless Steel

• Chamber – 5.56, Barrel Profile May Vary
• Barrel Twist – 1×7
• Barrel Thread – 1/2 x 28
• Barrel Steel – Stainless
• Flash Hider – JSE Flash Hider
• Handguard – YHM-5110 7″ Quad Rail
• Gas Block – .750 Micro
• Upper Receiver – M4 Flat Top Upper
• 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. Some of the non-warrantied ammo includes: Tula, Wolf and Perfecta.