GRID DEFENSE 10.5" .300 BLACKOUT UPPER RECEIVER WITH FLASH CAN - FDE

• Finished in Magpul Flat Dark Earth Cerakote
• Made in the USA
• 7075-T6 Mil-Spec Upper Receiver
• 10.5" 1:8 Twist 4150 Light HBar Barrel - Black Nitride
• Chambered in .300 Blackout (7.62x35)
• Pistol Length Gas System
• .750 Low Profile Gas Block
• 12" Octagon M-Lok Rail

*****Ammunition Notification***** Grid Defense 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.