It’s not that easy. The vast majority of imports are banned and the remaining sporting imports are subject to significant restrictions. The overwhelming majority of guns sold in the US are produced in the US, even ones from foreign manufacturers. It’s not that dissimilar to cars.
Sweden: for when you need a gun but don’t want to fund domestic fascism, and also need some cheap furniture while arming yourself …and maybe could I get one of those fighter jets on the side?