Description
Grid Defense Stainless Steel 10.5″ 5.56 Upper Receiver – Black
Hard Coat Black Anodized Finish
Chambered in 5.56 NATO
Stainless Steel A2 Flash Hider
10.5″ 1:7 Twist 416R Stainless Steel Barrel – M4 Profile
Carbine Length Gas System
Grid Defense 9″ M-Lok Free Float Hand Guard
Grid Defense Mil-Spec 7075 T6 Upper Receiver
*****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.
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