>>512565157Not rare, but uncommon.
It's politically incorrect, so you won't see it in major bookstores because people here have a media-manufactured preconception that it's basically a manual for exterminating jews and niggers written by a jealous man for no good reason.
Have seen it in a few people's homes but they aren't listing it on their list of books they read on their fb page.
Nazism and the Wehrmacht was popular in the '60s and '70s among rebellious edgy teenagers, and that seems to be around the time most of the copies I've seen IRL were printed.