They will open the parcel, think "gun", see your paperwork, look it up, and then let it through.
If the first thought of a Customs officer is "gun" do you honestly think they will just "let it through" because there is paperwork that says "this is not a replica gun"?
Really?
I'm not trying to argue with you just for the sake of arguing- but I'd be interested in hearing exactly what "menacing" pieces you've imported that had an "Inspected By Customs" stamp on the box when it arrived. Because only that "stamp" is undeniable proof that the item in question was permissible. If it just "arrived" having not been opened by Customs then it simply may have been a case of "sliding through" Customs. Not that it was in fact allowable.
So these pieces all closely resembled real firearms? Because that's what we're talking about. Things that are based on real World weapons. Not phaser rifles, Morita rifles, HALO rifles etc.
A Stormtrooper blaster isn't so far removed from a Sterling smg that it no longer looks like a replica firearm. A few greebles and a scope isn't going to exempt it from the replica weapons ban.
I'd also venture a guess that they WILL know it is a Sterling smg (or at least look up the correct designation when they fill out the paperwork). Customs Canada knew EXACTLY what a Thompson 1928 smg was when they seized an airsoft Thompson I tried to import back in 2006.
Let me put it to you this way- a friend of mine called the RCMP to find out once and for all if a Pulse Rifle was considered a replica firearm or not and if it would be allowable for importation (this was over three years ago- long before the HCG PR was in the works).
What he was told is that if the device in question would look to a layman like a real gun, then Customs will seize it.
So my friend, point blank asked "So if I took a piece of toast, cut it into the shape of a gun, and spray painted it black, Customs would seize it?" :wacko
"Yes" was the officer's answer. :rolleyes
Now- on the flipside I've been in a comic shop in downtown Toronto (Silver Snail) and have seen an MR Han Solo blaster for sale and have thought, "How the hell did they get this into the country?"
The problem is this prop is not a cheap $10 toy that won't matter if it gets seized.
But I'll say no more here. Let us know how this turns out.
Don't get me wrong- I don't want the blaster to be seized. I want it to go through based on all the advice given, AND that Customs did look at it, looked at the paperwork, and let it through. I'd be ELATED to hear that it went through without a hitch as I'd like to import a few things myself (but am too paranoid to attempt).
Kevin