Locke 14 Inch Super Splash Pump Action Water Gun Fill tank with water, pump it up, & watch it spray up to 25 feet distance! Water tank capacity: 13 oz. Tested for quality and durability. Fun and safe for pool, beach and backyard. First time use instructions: in order for water gun to function properly you need to remove the diagonal stopper first! - - - simply pull back the trigger & slip the stopper out of the trigger slot.