Lantac Dragon 9mm 1/2-28. LANTAC crafted these Muzzle Brakes & Compensators from hardened MIL-SPEC steel with a phosphate finish for added resistance against corrosion and abrasion. The Lantac Dragon Muzzle Brake 9mm 1/2x28 w/ Crush Washer uses a unique Short Energy Pulse system to reduce recoil effects keeping you on target and delivering more accurate follow-up shots. Mitigate muzzle rise for a more precise shot every time with the Lantac Dragon Muzzle Brake for 9x19mm Rifles & Variants. Specifications for Lantac Dragon Muzzle Brake 9mm 1/2x28: Manufacturer: LANTAC Caliber: 9mm Luger Features of Lantac Dragon Muzzle Brake 9mm 1/2x28: Caliber: 9x19MM Material: Hardened Milspec Steel Finish: Phosphate Type M Class2 Thread: 1/2-28 UNEF R/H Serial Numbered for Quality Control Comes with appropriate crush washer NOT considered a flash hider - California legal Its unique Short Energy Pulse system reduces length of recoil so that repeating shot energy cannot overlap and knock the shooter off target Full auto fire is possible with massively reduced recoil and muzzle climb meaning that all shots fall on target Package Contents: Lantac Dragon Muzzle Brake 9mm 1/2x28 Lantac DGN9MMD: Dragon 9mm 1/2-28