Banzai Laser Scope Blaster Water Gun
The laser targeting is the obvious selling point of this gun, but you're probably asking yourself how well does it work in daylight. Pretty darn well actually. Close-up attacks are clearly better but with a range of just over 20 feet, this blaster gets the job done from afar as well. The only drawback is the firing mechanism, as you need to be pretty quick on the pump to discharge the weapon effectively. It also holds the standard amount of water for a blaster, so it's probably not your best primary weapon but a good back up or perhaps it's even better for sniping considering you've got a scope on the thing.