Frequently bought together:
Description
Grid Defense 10.5" .300 Blackout Upper Receiver - FDE
- Finished in Magpul Flat Dark Earth Cerakote
- Mil-Spec 7075-T6 Upper Receiver
- 10.5" 1:8 Twist 4150 Steel Barrel - Black Nitride
- Chambered in .300 Blackout (7.62x35)
- A2 Muzzle Device
- Pistol Length Gas System
- 9" Grid Defense 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.