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 13833Mid Length GVAC Gas System 15" Midwest M-LOK Handguard Gemtech ETM Flash Hider • Finish: Armornite • Barrel length: 16.1" • 15in Free-Float MLOK Rail/ Ambi Bolt Release

Gemtech Integra 556, Integrated Suppressed AR-15 Upper Receiver, 556NATO, 10.5" Barrel Length, 16.1" Overall Length, Titanium, Black Finish 12112