JK Armament War Eagle Compensator/Flash Hider 9mm Luger 1/2x28 Nitride Black. Machined from heat-treated black nitride 17-4 stainless steel the War Eagle will serve a lifetime of reducing recoil and flash while acting as a solid hub for your JK Quick Attach Taper Mount-equipped suppressor. As an added bonus the tough War Eagle acts as an initial blast baffle inside of the suppressor taking some of the abuse that's otherwise directed at your first suppressor baffle and extending its service life. Specifications for JK Armament War Eagle Compensator/Flash Hider: Manufacturer: JK Armament Color: Black Caliber: 9mm Luger Finish: Nitride Fabric/Material: Heat Treated 17-4 Stainless Steel Stainless Steel Threads per Inch: 1/2x28 Length: 1.9 in Weight: 3 oz Package Contents: JK Armament War Eagle Compensator/Flash Hider JK Armament JKMDHDCF14: War Eagle Compensator/Flash Hider 9mm Luger 1/2x28 Nitride Black