…the most powerful production revolver in the world anyway, and that’s just according to the manufacturer. For whatever reason, Russian designers took to creating a revolver to fire their 12.7x55mm cartridge (speculated to be a cut-down .338 Lapua case…), it has been suggested for the purpose of destroying locks and other objects.
https://www.thefirearmblog.com/blog/2014/09/17/meet-rsh-12-powerful-revolver-world-russian/
I know this is about real handguns, but since this one is fairly rare outside of Russia, you can shoot it in Escape from Tarkov, along the rifle in the samw caliber.