I have it right in front of me.
(3) For the purposes of sections 91 to 95, 99 to 101, 103 to 107 and 117.03 of this Act and the provisions of the Firearms Act, the following weapons are deemed not to be firearms:
a) any antique firearm;
b) any device that is (i) designed exclusively for signalling, for notifying of distress, for firing blank cartridges or for firing stud cartridges, explosive-driven rivets or other industrial projectiles, and (ii) intended by the person in possession of it to be used exclusively for the purpose for which it is designed;
c) any shooting device that is
(i) designed exclusively for the slaughtering of domestic animals, the tranquillizing of animals or the discharging of projectiles with lines attached to them, and
(ii) intended by the person in possession of it to be used exclusively for the purpose for which it is designed; and
d) any other barrelled weapon, where it is proved that the weapon is not designed or adapted to discharge
(i) a shot, bullet or other projectile at a muzzle velocity exceeding 152.4 m per second or at a muzzle energy exceeding 5.7 Joules, or
(ii) a shot, bullet or other projectile that is designed or adapted to attain a velocity exceeding 152.4 m per second or an energy exceeding 5.7 Joules.