Griffin Armament Paladin 2 Port Brake 30 Cal Melonite QPQ 17-4 Stainless Steel The Griffin Armament Paladin Brake Is a Compact 2-Port Taper Mount Muzzle Device That Is Compatible With All Of Their Taper Mount silencers And Accessories. Geometrically Designed To Keep Weight To a Minimum, The Paladin Brake offers Full Size Performance Without The Weight Penalty. Model: Paladin Material: 17-4 Stainless Steel Thread Pattern: 5/8"-24 tpi Finish: Melonite QPQ