Griffin Taper Mounts interface with Recce, PHS, and Sportsman series silencers.Constructed of 6AL4V Titanium, the Taper Mount Minimalist Brake (Ti) has a wear resistant baffle that increases suppressor service life. Additionally the brake features compensating ports that help reduce muzzle climb while assisting in reducing felt recoil. The (Ti) Minimialist brake weighs an air light 1 ounce making it the lightest functional suppressor mount / muzzle device ever manufactured. Approximately 75% less weight than that of most competing suppressor mounts, the Titanium Minimalist Brake reduces suppressor system weight while making the host firearm barrel lighter and more responsive to the shooter. Each brake comes with a shim set for timing. The device is finished in type 2 Tiodize, a dull grey, durable, anti-galling finish. Diameter:1.075" [taper] .93" [unit]OAL:1.34"Weight:1 ounceMaterials:6AL4V TitaniumFinish:Type 2 Tiodize Sacrificial baffle to extend the service life of your silencer Taper ensures solid lock up and minimal/repeatable POI shift 75% lighter than most market competetive suppressor mounts 6AL4V Titanium Durable gall resistant Type 2 Tiodize Finish Shim set Included