Grid Defense Complete Upper Receiver 9mm 9x19 Para 16 inch 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Rail A2 Flash Hider Burnt Bronze

Grid Defense Complete Upper Receiver 9mm 9x19 Para 16 inch 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Rail A2 Flash Hider Burnt Bronze. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable build and you can pick your choice of corrosion-resistant coating to further strengthen the structure. To expand your accessory customization options the Grid Defense 9x19 Para Mil-Spec Upper Receiver features an octagon M-LOK rail. Mount essential accessori