The rifle is chambered in 4.5mm BB and uses CO2 capsules to fire at around 6 ft/lbs of muzzle energy. In this lever-action riffle, shells are loaded and ejected, just like the real thing. The Cowboy Rifle is also a winner when it comes to accuracy. It’s easy to grip and has convincing design features, including an all-metal frame. With its combination of advanced CO2 technology and nostalgic charm, this rifle is sure to offer plenty of fun.