In Alberta, where I was born and raised
It is unlawful to:
set out, use or employ any of the following items for the purpose of hunting big game:
ammunition of less than .23 calibre,
ammunition that contains non-expanding bullets,
an
auto-loading firearm that has the capacity to hold more than 5 cartridges in the magazine,
BC is even more
restricted: (Page 17, section Firearms)
It is unlawful to use a firearm that is designed, altered or intended to be aimed
and fired by the action of one hand
or
that has a barrel less than 305 mm in
length.
It is unlawful to hunt or trap with a rifle using a full metal jacketed non-expand-
ing bullet, or a tracer, incendiary, or explosive bullet.
It is unlawful to hunt or trap with a shotgun using a tracer or incendiary shot
shell.
It is unlawful to hunt or trap with a set gun or with a pump, repeating or auto
loading shotgun unless the magazine contains a plug that is incapable of holding
more than 2 cartridges. Where the use of a shotgun is allowed for hunting or
trapping big game, an unplugged shotgun holding more than 2 cartridges and firing
single projectiles only (slugs) may be used.
A muzzle loader containing powder and shot in the barrel but unprimed (i.e.,
no powder in the pan of a flint lock or no cap in the nipple of a percussion lock)
is not considered a loaded firearm under the Criminal Code (Canada)
So check your local regs