GRID DEFENSE 16″ 5.56 NATO UPPER RECEIVER WITH STAINLESS STEEL DIAMOND DIMPLED BARREL
- Chambered in 5.56×45 NATO (5.56/.223)
- Dimpled AR 15 Barrel
- Premium Mil-Spec upper, the new 5.56 Nato upper receiver from Grid Defense. With premium stainless steel AXE break installed
- 16″ 1:8 Twist 416R M4 Diamond Dimpled Stainless Steel Barrel
- Carbine Length Gas System
- Grid Defense 12″ M-Lok Free Float Hand Guard
- Mil-Spec 7075 T6 Upper Receiver
- Hard Coat Black Anodized
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