I'll be traveling cross-country next summer with a concealed carry permit issued in Colorado. We're visiting Maine and would like to take a side trip into Canada for a few days. Everything I've seen makes it sound near impossible to take handguns across the border. Has anyone come up with a solution for storing guns temporarily on the US side? The best solution I've heard so far is to take it to a gunsmith for a good cleaning and then pick it up on returning to the States.