Lantac Dragon 223/556 1/2-28 Gemtech Quick Mount Muzzle Brake. 223/5.56 you'll be able to shoot full auto fire without knocking yourself off target. Lantac built these Muzzle Brakes & Compensators from hardened Milspec steel for unmatched strength and precision. And with a unique short energy pulse system the Lantac Dragon GemTech Proprietary Muzzle Brake reduces recoil length so much that the energy cannot overlap and knock you off target greatly improving your accuracy down range. With unique venting ports the Lantac Dragon GemTech Propeller Muzzle Brake w/ Quick Mount easily installs on your barrel to help greatly reduce recoil and muzzle rise allowing you to take more precise shots and be more accurate with every shot. Specifications for Lantac Dragon GemTech Quick Mount Muzzle Brake .223/556: Manufacturer: LANTAC Caliber: .223 Remington 5.56x45mm NATO Fabric/Material: Steel Package Contents: Lantac Dragon GemTech Quick Mount Muzzle Brake.223/556 Lantac DGN556B-QM: Dragon 223/556 1/2-28 Gemtech Quick Mount Muzzle Brake