Comstock Armory Hybrid Flash Hider 9mm Luger 5/8x24 Black Nitride Black. 900"-24 adapters like the Comstock LPA Q Plan-B and Rearden Atlas. The Hybrid Device combines features of both flash hiders and muzzle brakes to provide balanced recoil reduction flash reduction and blast baffle protection without the obnoxious muzzle blast that comes with many muzzle brakes. Specifications for Comstock Armory Hybrid Flash Hider: Manufacturer: Comstock Armory Color: Black Caliber: 9mm Luger Finish: Black Nitride Fabric/Material: Stainless Steel Gun Make: Universal Features of Comstock Armory Hybrid Flash Hider Allows for the quick attachment and removal of suppressors Reduces blast baffle wear; acts as a sacrificial baffle Effectively reduces both recoil and muzzle flash High strength 17-4 PH stainless steel Durable black nitride finish Rotationally symmetric and does not need to be timed with shims Package Contents: Comstock Armory Hybrid Flash Hider Comstock Armory HYB-58-9: Hybrid Flash Hider 9mm Luger 5/8x24 Black Nitride Black