GO47 Upper 7.62x39 12.5" 1/9.5 Twist Monolith Barrel KeyMo Brake

This compact complete upper delivers 7.62x39mm performance in a short, maneuverable 12.5" package. The monolith barrel with a 1:9.5 twist rate is optimized for the 7.62x39 cartridge, maintaining accuracy even in the shorter barrel length. A KeyMo-compatible muzzle brake tames the increased blast of the compact barrel while providing fast, repeatable Dead Air suppressor mounting — making this an ideal suppressor host. Hard-coat anodized aluminum keeps weight in check, and the Taper Lock barrel nu