The factory Russian mags are the best. Too bad they got import sanctioned.
I'd pony up and pay the current 2x price anyway, unless you want to wait and see if the sanctions get lifted.

https://stores.csspecs.com/vepr-12/ are probably the ones you heard people raving about, but I think they're overrated. They typically require fitting, and steel rusts. They weigh more too.
The domestic plastic mags aren't as good as the Russian plastic mags.