Originally Posted by L473ncy
Also mechbox != receiver, if they want to confiscate it let them, don't argue or you may find your name/info/plates on "the list". Just appeal or ask for a supervisor (or someone who actually knows what a receiver is), although it may take months if not years.
Just remember you may get asked questions and to answer them honestly and truthfully. It looks especially sketchy if you have rails, fibre stocks etc. You've probably got a big bad "military" auto sniper WTF machinegun-assault rifle
Thank you everybody. @ L473ncy, first of all I am close personal friends with a Border guard that has offered to pick up stuff for me, so no worries on the upper :P.
As for the "WTF auto-machine gun tacticool gun" it is going to be a mostly complete SPR. Thanks for all your help again guys.
So no lower receiver, sucks but yah that's what we have to deal with in Canada.