This Stainless Steel barrel offers accuracy and weather resistance with fluting designed to create the strongest lightweight barrel possible. Every Pro Hunter barrel is test fired by the factory at 100 yards to verify accuracy. These barrels are for Encore series rifles only and will not fit Contender or G2 Contender frames. No gunsmithing required. – Cartridge 204 Ruger – Finish Stainless – Material Stainless Steel – Length 26 Inches – Threads 5/8-24 – Compatible With Thompson Center Encore