From the RCMP website and a voice conversation with an Officer who is assigned to weapons import.
The main RCMP page
Fact Sheet, "I am a gun user entering Canada"
From the publication http://www.cbsa-asfc.gc.ca/publications/pu...4-eng.html#P002
"Non-restricted firearms include:
* semi-automatic rifles and shotguns with barrels that are at least 470 mm (18.5 inches) long, and do not otherwise fall
into a restricted or prohibited category; and
* single-shot or manual repeating rifles and shotguns of any length, as long as they are not designed or adapted to be fired when reduced to a length of less than 660 mm (26 inches) by folding, telescoping or other means.
Restricted firearms include:
* most handguns;
* semi-automatic rifles and shotguns that are capable of discharging centre-fire ammunition, have barrels between 105 mm (4.14 inches) and 470 mm (18.5 inches) long, and are not otherwise prohibited;
* firearms designed or adapted to be fired when reduced to a length of less than 660 mm (26 inches) by folding, telescoping or other means; and
* firearms restricted by regulations.
Prohibited firearms include:
* handguns with barrels less than or equal to 105 mm (4.14 inches) long;
* handguns designed or adapted to discharge a 25 or 32-calibre cartridge;
* firearms adapted from rifles or shotguns by sawing, cutting or any other alteration, that, when adapted in this way, are less than 660 mm (26 inches) long or have a barrel that is less than 457 mm (18.5 inches) long;
* automatic firearms, whether or not altered to fire in the manner of a semi-automatic firearm; and
* firearms prohibited by regulations."
My 12 gauge is OK. When I talked to the RCMP she wanted to know which Provence I was going through with the shotgun and I said BC and she said download and fill out this forum
and declare with it at the border.
So it MAY be different for different Provinces... all I know is I am clear through BC on my Alaska trip and wont carry a hand gun.