Battle Arms Development HEX FLASHCAN Blast Diverter 9MM. This product is not designed to reduce muzzle rise" sound" recoil or muzzle flash. This product is designed to direct gas and noise away from the operator while enhancing the firearms appearance Specifications for Battle Arms Development HEX FLASHCAN Blast Diverter 9MM: Manufacturer: Battle Arms Development Caliber: 9mm Luger Finish: Anodized Black Additional Features: Blast Diverter Color: Black Blade Finish: Anodized Features of Battle Arms Development HEX FLASHCAN Blast Diverter 9MM Anodized Finish Black 1/2X: 9MM 1/2x28 Threaded Package Contents: Battle Arms Development HEX FLASHCAN Blast Diverter 9MM