How To Replace Lost or Stolen Gun / Firearm Licence In Canada

You must immediately report any destruction or theft of your gun documents to the chief firearms officer in your territory or province or to the local police.
To get a replacement certificate, or license, you’ll have to download and fill in the Firearms Replacement Request for Documents (link listed below).
The completed form should be sent to the Royal Canadian Mounted Police
P.O. Box 1200
Miramichi, N.B. E1N 5Z3
You can also mail this form in its entirety to the Chief of Firearms in your territory or province.
Pay the non-refundable license fee.

Documents Required Replace Lost or Stolen Gun / Firearm Licence

Application form completed

Royal Canadian Mounted Police
RCMP National Headquarters
Headquarters Building
73 Leikin Drive
Ottawa ON K1A 0R2

General inquiries: 613-993-7267
TTY: 613-825-1391
Fax: 613-993-0260

If you require assistance filling out the application or need a different form, contact us at 1 800 731-1000.

Licenses for firearms are usually valid for five years and they must be renewed prior to when expiry.

Different firearm classes:

The firearms that are not restricted are rifles that are not restricted in any way, and shotguns other than the ones listed below.
Firearms that are restricted comprise:
handguns that aren’t banned;
semi-automatics, centre-fire guns and shotguns with barrels shorter than 470 millimetres;
shotguns and rifles that are able to be fired after their total length has been decreased by folding, telescoping, or any other methods to less than 660mm and
firearms that are prohibited by Criminal Code Regulations.
The prohibited firearms are:
handguns with a length of 105 millimeters or less, as well as handguns that fire .25 or .32 calibre ammunition, with the exception for a select few that are used to shoot in International Shooting Union competitions;
shotguns and rifles that are altered through cutting or any other method such they have a barrel that is lower than 457 mm , or their overall length is lower than 660 mm.
Full automatics;
modified automatics, that is, full automatics that have been modified to only fire one projectile each time the trigger is pressed; and
firearms that are not allowed under Criminal Code Regulations.