The new Gamo Viper Express is a shotgun/rifle combination gun that sets a new standard as the first production spring piston shotgun rifle ever produced. It creates new opportunities for hunting with performance airguns. Built on the proven GAMO 1000 power plant for maximum velocity and performance, full raised ribs, choked, smooth bore barrel with front bead sight, all weather synthetic stock with dual cheek pads for right or left handed shooting, soft rubber double checkering inserts on grips and forearms, and accepts GAMO .22 caliber shot shells or .22 caliber pellets Single Shot Adult Lifetime Warranty