Cry Havoc Tactical 223 One Pin QRB Barrel Locking Plate Kit - Pistol Gas Tube

Cry Havoc Tactical 223 One Pin QRB Barrel Locking Plate Kit - Pistol Gas Tube. The QRB Kit can only be used on Barrels with a maximum outside diameter of 0.985in and Free Float Hand Guards with a maximum width of 2.0" Also the QRB will add 1.5in to the length of your free floating hand guard. For Caliber or Barrel Length Change - Includes Barrel Plate and Gas Tube. The 2-Pin option is the Military Model Currently in use by the United States Air Force. NOTE: If you have a GEN-1 QRB The 2-Pin vers