Crosman R1 Full & Semi Auto BB Rifle maximizes backyard fun! Fueled by two 12-gram CO2 power lets (sold separately) and featuring flip up sights and a 25 round drop out magazine, you will have target cans flying in no time. The BB rifle features a genuine feel, familiar controls, and an intense 1400 round per minute rate of fire, all at a jaw-dropping rate of up to 430 fps. Even better, the Semi Auto BB rifle is fully customizable with a 6-position adjustable stock, AR compatible buttstock/pistol grip, and a Picatinny rail that provides endless accessory mounting opportunities. The rifle also comes with a speed loader that makes reloading the magazine a breeze. Its design is super durable too, making it perfect for inexperienced shooters as well as seasoned veterans.