• Chamber – .223 Wylde
• Barrel Twist – 1×8
• Barrel Thread – Target Crowned
• Barrel Steel – 416R Stainless Steel
• Flash Hider – None
• Handguard – Yankee Hill 12.58” Rifle Length AR15 Black Diamond Series Forearm
• Gas Block – .937 Micro
• Gas System – Mid-length
• 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.