Description
Grid Defense 16" .300 Blackout Upper Receiver - Black
- Hard Coat Black Anodized
- Chambered in 300 Blackout (7.62x35)
- 14" M-Lok Rail
- 16" 1:8 4150 Light HBar Barrel - Black Nitride
- Pistol Length Gas System
- A2 Flash Hider
- Mil-Spec 7075-T6 Upper Receiver