During the height of the piracy in East Africa, seaborne armouries were used to distribute weapons which were thrown overboard before entering territorial waters, as it was cheaper than collecting them.

I also think some (almost certainly American) people underestimate how big an issue importing a firearm or possession of an unlicensed firearm can be in most of the world. It’s either many months of paperwork and almost guaranteed refusal, or risking many years in prison for an unlicensed firearm.