Ruger Radial Ported Muzzle Brake 35 Cal Black Oxide Steel Made In The USA, This Muzzle brake's Radial-Port Design reduces Felt Recoil And Muzzle Movement. Made From 4140 Chrome Molly Steel With a Black Oxide Finish To Complement Most Firearms. Installs With An Open End Wrench Or Crescent Wrench. Torque The Brake To 15-20 ft-Lbs. - No Crush washers Are required. It Fits Rifles With " X 28 Threads chambered In .350 Legend including The AR-556 MPR And The Ruger American Rifle Ranch And The Pc Carbine chambered In 9mm. Model: Radial Material: Steel Thread Pattern: 1/2"-28 tpi Finish: Black Oxide
