[Kozzie]

You can use this as a general rule of thumb for what can and cannot be ordered from outside of Canada.
Read this thread you should find it informative http://www.airsoftcanada.com/showthread.php?t=40318
There are others like it on ASC if you search for them.

Originally Posted by ASC

Examples of things you CANNOT import:
AEG magazines with fake cartridges (i.e. P90, G36, SG 552 mags)
Pistol Frames, receivers, and metal bodies
Suppressors and silencers
Prohibited-length outer handgun barrels (i.e. USP Compact, Glock 26)
Hand and 40mm grenades that look real

Examples of things you CAN import:
Magazines for AEGs and GBBs without fake cartridges
Outer barrels for most guns
Inner barrels of any type
Handgun slides
Flash suppressors
Scopes, red dot sights, iron sights, lasers
Rail systems and scope mounts
Springs, bushings, gears, pistons, or other gearbox parts
Batteries, BBs, loading tools
Helmets, goggles, body armor, tactical vests, camouflage