Convenient built-in shell extractor makes extracting shells easy as 1-2-3; Perfect for Land or Water training (the dummies FLOAT on water); Great for training dogs to mark with the report of the .22 blank going off (simulates gunfire noise); Optimized for maximum launch distance and comfortable/easy use; Self-contained firing pin mechanism for easy cleaning and maintenance; Dual exhaust holes for greatly reduced recoil; Cast aluminum and durable Stainless Steel construction to resist rusting; Thick, dense shock-absorbing recoil pad for comfort when using; Wide nylon comfort grip handle sleeve; NOTE: if using in water launch tube must be clean & dry before using again or it will not work properly