If you are hunting small game in an area where there is an open season for deer, moose, elk, or black bear, you may not possess or use a rifle of greater muzzle energy than 400 foot-pounds or shells loaded with ball or with shot larger than No. 2 shot (or if using non-toxic shot, you may not use steel shot larger than triple BBB steel shot, or bismuth shot that is larger than double BB bismuth shot), unless you possess a valid licence to hunt deer, moose, elk or black bear as the case may be. This restriction does not apply south of the French and Mattawa Rivers during an open season for deer that is restricted to the use of bows.
A person hunting small game may not carry or use a rifle of greater calibre than a .275-calibre rifle, except a muzzle-loading gun, in the geograhic areas of Brant, Chatham-Kent, Durham, Elgin, Essex, Haldimand, Halton, Hamilton, Huron, Lambton, Middlesex, Niagara, Norfolk, Northumberland, Oxford, Peel, Perth, Toronto, Waterloo, Wellington or York.