49Using, discharging, or carrying certain firearms except for some lawful, proper, or sufficient purpose

1. Every person commits an offence and is liable on conviction to imprisonment for a term not exceeding 3 months or to a fine not exceeding $1,000 or to both who, except for some lawful, proper, and sufficient purpose, uses, discharges, or carries anywhere any firearm of the kind known as—

2. a bolt gun or a stud gun:
3. a humane killer:
4. a tranquilliser gun:
5. a stock marking pistol:
6. an underwater spear gun:
7. a flare pistol:
8. a deer net gun:
9. a pistol that is part of rocket or line throwing equipment:
10. a miniature cannon.

11. In any prosecution for an offence against subsection (1) in which it is proved that the defendant used, discharged, or carried a firearm of a kind described in that subsection, the burden of proving the existence of some lawful, proper, and sufficient purpose shall lie on the defendant.