No, importation is essentially the same as always.
There is the crucial fact of proving your statement that your gun is actually above 366fps with a reputable source, and AFAIK, none exist outside Canada.
That's an AV'd link. He can't see that.
VFC Saber SD Urban Grey - VFC SCAR-L Tan - KWA MP7 Tan
WIP: Magpul FPG Conversion to TM Specs (currently KWA Spec)