Restrictions / banned info can be found at:
Backgrounder: List of prohibited assault-style firearms
Here is a summary in case the link doesn't work. Please forgive the formatting.
Canadian Prohibition on Assault-style Firearms
The following categories of firearms (or any variants, current or future, included under the principal model) are classified as prohibited under the (Canadian) Criminal Code as of May 1, 2020.
(format)Firearm / Old Classification / New Classification
M16, M4, AR-10, AR-15 rifle* / Non-restricted - Restricted / Prohibited
Ruger Mini-14 rifle / Non-restricted - Restricted / Prohibited
Vz58 rifle / Non-restricted - Restricted / Prohibited
M14 rifle / Non-restricted / Prohibited
Beretta CX4 Storm carbine / Non-restricted-Restricted / Prohibited
Robinson Armament XCR rifle \ Non-restricted-Restricted / Prohibited
CZ Scorpion EVO 3 carbine and pistol / Non-restricted
- Restricted / Prohibited
SIG Sauer SIG MCX and SIG Sauer SIG MPX carbine and pistol* Non-restricted - Restricted / Prohibited
Swiss Arms Classic Green and Seasons Series rifles / Non-restricted - Restricted / Prohibited
*Upper receiver is also prescribed as a prohibited device
In addition to the list prohibited by model, all firearms with one or more of the following physical characteristics are prohibited on the basis that their potential power exceeds safe civilian use:
Firearms with a bore 20mm or greater (e.g., grenade launchers)
Firearms capable of discharging a projectile with a muzzle energy greater than 10,000 Joules (e.g. sniper rifles)
A list of prohibited firearms is available in Canada Gazette, Part II.