Ruger's patented chrome-plated, two-stage piston with multistage regulator provides a cleaner, cooler-running, reliable firearm with superior operating endurance, and its two-stage piston provides a smooth power delivery stroke to the bolt carrier. The round, smooth-sided ergonomic Ruger lightweight adaptable handguard with flattop receiver features a Mil-Spec 1913 Picatinny rail at the 12:00 position that extends the full length of the handguard. Drilled and tapped for additional rails at the 3:00, 6:00 and 9:00 positions, offering ample space for mounting sights, lasers, lights and other accessories. The SR-762 also features a folding backup iron sight and includes a windage adjustable rear sight and an elevation-adjustable front sight. Jim, Trav and Mrs. Bunny hail the Ruger SR-762 as a total boss in the woods, at the range or home, for self defense. Check out the Ruger SR-762 Semiautomatic Rifle today at Cabela's.