Federally they are exempt in writing from magazine capacity limits.
For hunting which is an Alberta government controlled area, you need to have a limit of 5 rounds.
Just buy or make a couple 5 rounds enblocs and get on with it.
When I get home from work I'll post a couple pictures.
Never mind I just googled it.
http://www.fulton-armory.com/images/...l/_DSC1319.JPG
Googled how to make them and here's a vid: same vid as above.
https://youtu.be/enPH9GB038o