18″ 6mm Ballistic Advantage

• Chamber– 6MM ARC
• Barrel Twist– 1×7
• Barrel Thread – 5/8×24
• Barrel Steel – 416R Stainless Steel
• Barrel Finish – Nitride
• Flash Hider– A2
• Handguard– 15” M-LOK Free Float Handguard, Black
• Gas Block – .750 Micro
• Gas System – Rifle
• Upper Receiver – M4 Feed Ramped Flat Top Upper; 6MM Engraved
• Bolt Carrier Group – 6.5 Type II BCG
• Charging Handle– DoubleStar Backbone Billet CH

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.