OK. You KNOW this is very subjective, right? I would urge everyone to have one henway for each gun you consider your main
arm (and those for each family member) in a particular class (i.e. rifle, pistol, shotgun). Maybe a couple or a few hundred rounds for the others plus another henway of just .22 LR to maintain practice, hunt, and possibly share/trade. The latter takes up little enough room, comparatively speaking, and hopefully will be cheap enough and plentiful again someday.