The Griffin Armament Paladin Brake is an affordable compact 2-Port Taper Mount muzzle device that is compatible with all of our taper mount silencers and accessories. At half the weight of it's industry competitors, the Paladin Brake offers full size performance without the weight penalty. The taper mount Paladin Brake is an affordable, compact, premium muzzle control accessory compatible with your taper mount series suppressor and our taper mount muzzle accessories. Equipped with two recoil reducing ports and a single top muzzle rise port, the two port brake provides flat shooting performance in a small package. Melonite QPQ provides a durable, attractive finish. The Paladin is machined from high strength 17-4 stainless steel that is corrosion and wear resistant.Includes shim set.Specs:Diameter-1.16"OAL- 1.59"Materials- 17-4PH Stainless Steel Finish-:QPQAttachment-5/8×24 Thread  Features: Taper MountSacrificial baffle to extend the life of your suppressor17-4 PH Stainless steel to withstand hard useLustrous Melonite FinishGriffin Laser Logo Marked5/8x24 industry standard Thread Pitch for .300 caliber firearms.Shim set Included