How about you consider your options.
1) Continue on your current course of stupidity and travel to the USA, and smuggle back some gear.
1a)Risk possible jail time, Risk losing the vehicle you are in, Risk being CBSA black listed.
2) Shop for Airsoft that is Can or Clearsoft at a local retailer, if they will sell to someone under 18.
3) Wait until you are 18 and maybe you will get age verified.