Quoted from the Fire arms centre web page:
Firearm Definitions
A non-restricted firearm is:
An ordinary rifle, shotgun or combination gun that is not described below as being restricted or prohibited.
A restricted firearm is:
A handgun that is not a prohibited firearm.
A semi-automatic, centre-fire rifle or shotgun with a barrel length less than 470 mm (18.5 inches) that is not prohibited.
A rifle or shotgun that can fire when its overall length is reduced by folding, telescoping or some other means to less than 660 mm (26 inches). Any firearm prescribed as restricted (including some long guns).
A prohibited firearm is:
A handgun with a barrel length of 105 mm (4.1 inches) or less.
A handgun designed or adapted to discharge 25 or 32 calibre ammunition.
A rifle or shotgun that has been altered to make it less than 660 mm (26 inches) in overall length.
A rifle or shotgun that has been altered to make the barrel length less than 457 mm (18 inches) where the overall firearm length is 660 mm (26 inches) or more. An automatic firearm and a converted automatic firearm.
Any firearm prescribed as prohibited.
