6.5 Inch Grendel round
Why this round in particular? It would be more cost effective to use the 5.56 round or any mass produced round instead. For many seasteaders, budgeting is going to be a necessity, and spending money on expensive ammo for a marginal advantage in maritime combat seems superfluous.
Removed the link to concentration camps. It's often best to include no information in a wiki, rather than bad information/reasoning.