GEMTECH GVAC 16″ 556 NATO UPPER BLK

Introducing the new GVAC system from Gemtech. Significantly reduce the amount of gas blowback you’ll experience when shooting suppressed with its patented design. The re-imagined barrel profile, enhanced bolt carrier profile, enhanced bolt carrier group, and ETM muzzle device maximize performance so nothing holds you back. Redefine suppressed shooting with the GVAC system.