Our S-7V (Varmint Barrel) Compensator for the .308 is designed to give a sleek and smooth look to any bolt action varmint barrel, minimize the recoil, and increase your accuracy. All our S-7V Comps are threaded 5/8"-24TPI and are available in Black Oxide (BO), Stainless Steel (SS) and Satin Stainless (SAT).