It fires a 7.62mm drag-stabilized dart with an effective range of 30 meters above water, and 15 meters submerged. The sealed five-shot barrel contains the cartridges, and the weapon is reloaded by replacing the barrel unit with a fresh spare. Used barrels must be returned to H&K for reloading and re-sealing.
the P11 is completely waterproof and corrosion-resistant. If you’re worried about being ambushed on the crapper, you’re a little paranoid here’s a tactical toilet tip: the P11 will survive years of discreet storage at the bottom of your toilet tank.