Beeman Sportsman Silver Kodiak X2 10774GP Gas Ram Dual Caliber Air Rifle Combo with 4x32x 40mm Precision - Beeman Air rifles provide incredible accuracy up to 10 yards. This Air gun is able to shoot groupings that will be the envy of your friends Dual caliber - the silver kodiak x2 comes with a barrel that shoots 177 pellets and an extra barrel that shoots 22 pellets for maximum customization Speed - this rifle shoots a 177 caliber Pellet that travels up to 1,200 feet per second and a 22 caliber Pellet that travels up to 950 feet per second Features - includes interchangeable barrels, hardwood stock, 4x32 scope and mounts, hooded front sight, and Adjustable trigger Technology - gas ram System uses compressed gas in a sealed, self-contained unit that replaces the spring. Your Air rifle will never break down with age. Gas ram makes for a more consistent Air rifle