Gemtech GVAC Upper Receiver 5.56 NATO with ETM Flash Hider

Experience a new level of suppressed shooting with the Gemtech GVAC Upper Receiver in 5.56 NATO. This advanced system is engineered to minimize gas blowback delivering a smoother shooting experience with its innovative design. The upper receiver is crafted from durable 7075-T6 aluminum featuring a Mil-Spec build with indexing marks and M4 feed ramps. The barrel is made from resilient 4150 CMV steel stress-relieved and Armornite treated with a 1:8 twist 5R rifling for superior accuracy. The G