Now this is an air rifle. The Benjamin Bulldog is a bullpup-style air rifle that fires .357 caliber, 140-grain lead bullets. The gun has 26 inches of Picatinny rail for attaching just about any accessory you want and the overall gun length is 36 inches. This is a serious air rifle designed for big game – from whitetails to hogs to African plains game. It delivers 200-foot-pounds of energy, speeds up to 800 fps and can deliver 10 shots per charge, depending on bullet weight.