AR-15 300 Blackout 7.5" Pistol Shark Quad Upper Assembly

AR-15 300 Blackout  7.5" Pistol Shark Quad Upper Assembly -

• Chamber - 300 Blackout
• Barrel Twist - 1x7
• Barrel Thread - 5/8x24
• Barrel Steel - Black Nitride Finish 4150 CMV
• Flash Hider - Shark Style Muzzle Brake
• Handguard - 7" Anodized Quadrail Free Float, hardcoat anodized
• Gas Block - .750 Low Profile Gas Block, aircraft aluminum, hardcoat anodized; pistol gas system
• Upper Receiver - A3 Flat-Top Upper, assembled with forward assit and dust cover
• Bolt Carrier Group - Not Included
• Charging Handle - Not Included