A link or copy and pasta of said law (affirming I can or cant) please.
“prohibited firearm” means
(b) a firearm that is adapted from a rifle or shotgun, whether by sawing, cutting or any other alteration, and that, as so adapted,
(i) is less than 660mm in length, or
(ii) is 660 mm or greater in length and has a barrel less than 457 mm in length,
You've been on this site for how long? and have how many posts? This has been covered ad nauseum ever since I joined up. 18.5 for semi's, 18 for everything else. Even a gunsmith can't do it. You can however purchase a 12" that has been manufactured from scratch, but they have to have a manufacturers licence.
Well, there's that whole Criminal Code and Firearms Act thing...
EDIT:
^ CCC, PART III FIREARMS AND OTHER WEAPONS




























