Product reviews for Gemtech GVAC - Complete Upper Reciver Group - 223 Remington/556 NATO - 16.1" Barrel - 1:8 Twist - Gemtech ETM Flash Hider - Pinned Low Pro GVAC Gas Block - Mid Length Gas System - Anodized Finish - Black - MLOK Handguard - Fits AR-15 - Includes Bolt Carrier Group - BLEM - Damaged Packaging and Chips in Finish 13833

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