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Gemtech AR-15 GVAC 5.56 NATO 16.1″ 1:8 Upper – Black
Gemtech GVACComplete Upper Reciver Group223 Remington/556 NATO16.1″ Barrel1:8 TwistGemtech ETM Flash HiderPinned Low Pro GVAC Gas BlockMid Length Gas SystemAnodized FinishBlackMLOK HandguardFits AR-15Includes Bolt Carrier GroupFeatures:Does Not Include Charging HandleUPPER…