BLACKHAWK! K70201-C 77 Mark II Heavy BBL Compstock Rifle Stock Ruger, Black Durable, lightweight fiberglass-reinforced polymer and alloy construction with aluminum pillars Multiple Integrated ambidextrous sling mounting locations Quick and easy drop-in installation All-weather performance Quality tested in the field Single recoil-compensation system which reduces felt recoil by up to 75% Recoil system is effective with all calibers and requires no adjustment Simple drop-in installation that makes upgrading quick and easy and it eliminates the need for ear-shattering muzzle brakes Rubber over-molded synthetic stock (built by Hogue) is available in Pillar Bed versions to fit most Remington, Winchester, Ruger, and Mauser bolt-action rifles Offers maximum recoil reduction for large caliber bolt-action rifles and is ideal for field or range use