Griffin Armament Taper Mount Minimalist Barrel Flash Hider .45 Cal .578x28mm Black. The Minimalist series supports the Optimus 9 Mid-Size configuration as well as Optimus micro with taper extension. Constructed of 17-4 PH stainless steel the Taper Mount Minimalist flash suppressor has 3 flash suppressing tines which have anti-reasonance features integrated. The Minimialist flash suppressor weighs 2.9 ounces approximately 40percent less than that of most competing flash suppressor mounts. The lighter weight reduces suppressor system weight while making the host firearm barrel lighter and more responsive to the shooter. The flash suppressor does not require timing. Taper Mount Thread Protector is compatible with this muzzle device for added protection of thread mounts. Specifications for Griffin Armament Taper Mount Minimalist Barrel Flash Hiders: Manufacturer: Griffin Armament Color: Black Finish: QPQ Fabric/Material: 17-4PH Stainless Steel Weight: 2.9 oz Condition: New Features of Griffin Armament Taper Mount Minimalist Barrel Flash Hiders Anti-Resonance flutes to prevent pinging under fire Taper ensures solid lock up and minimal/repeatable POI shift 40percent lighter than most market competetive suppressor mounts 17-4 PH Stainless steel Lustrous Melonite Finish Package Contents: Griffin Armament Taper Mount Minimalist Barrel Flash Hiders Griffin Armament TMMFH4557828: Taper Mount Minimalist Barrel Flash Hider .45 Cal .578x28mm Black