Article 2

Subject to paragraph (2) below, Rule 3 of these Rules applies to an air weapon (that is to say, an air rifle, air gun or air pistol) capable of discharging a missile so that the missile has, on being discharged from the muzzle of the weapon, kinetic energy in excess, in the case of an air pistol, of 6 ft. lb. or, in the case of an air weapon other than an air pistol, of 12 ft. lb.

Rule 3 of these Rules does not apply to a weapon designed for use only when submerged in water.