Originally Posted by Shrapnel[Op-For]
buy-ass-softcanada.com has them.
Not helping at all, others have helped you out before I don't see why you cannot do the same.
Anyway you can get the Hi-cap magazines at
Pyramid Air or Speedy Toys
Yes it is allowed in, just make sure its not labeled as "Shotgun Magazine" cause thats just asking to be opened by CBSA.