If you can differentiate between .3 to .5 mils ,(some can’t), and price isn’t an issue, I suggest Schmidt Bender Klassik 3-12x42 30mm Reticle P3. It’s a FFP mildot model…Works perfect as a duplex on lower powers and starting around 6x becomes a useful mildot reticle.

[Linked Image from i.ibb.co]

When people face the possibility of freezing or starving there is little chance they are going to listen to unfounded claims of climate doomsday from a bunch of ultra-rich yacht sailing private jet-setting carbon-spewing hypocrite elites