Originally Posted by Ricochet
Okay, for starters if it resembles a real firearm with near precision, then you are in possession of a replica. Replicas are prohibited in Canada, that there could land you in hot water. As far as going down to the States, it depends on the specific laws of the state you are entering.
Importation into the US is federal, possession is state.
The gun shown above is a replica. It is prohibited on this side of the border, both now and on the return trip.