the other milsurp that is common and cheap where i am is the .310 martini cadet. every gunshop that carries second hand rifles in my region has at least one still in original form.
brass isn't stupidly priced (all ammunition is comparatively expensive in Australia), with cast bullets i think it would be fairly cheap to reload.
i loved using a martini action when i last tried it, i like the way they look, but i have no idea what i'd use a .310 cadet for personally.