Frequently bought together:
Description
Grid Defense Stainless Steel 10.5" 5.56 Upper Receiver
- Magpul Flat Dark Earth Cerakote Finish
- Chambered in 5.56 NATO
- Grid Defense Mil Spec 7075 T6 Upper Receiver
- Grid Defense 9" M-Lok Free Float Hand Guard
- Carbine Length Gas System
- 10.5" 1:7 Twist 416R Stainless Steel Barrel - M4 Profile
- Stainless Steel A2 Flash Hider
*****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.