“Fat polar fox” is a Russian euphemism of a euphemism of a rude expression for a persistent catastrophic situation. Things get bad and stay that way. A prudent person’s preparation list includes some weapons and training with it. Let’s say yours is chambered in 7.62×39, a very Russian answer to trouble. What ammunition to pick?
Steel-cased non-corrosive Russian ammunition of recent production, ideally hunting soft points, are a common and functional choice. This will run fine in AK, vz58, ARAK21, MM10x and (some) AR15 rifles. Accuracy is unimpressive, ranging from 3 to 8MOA.
In my experience, Federal Fusion is remarkably accurate (down to 1.25MOA) and provides good terminal performance even out of short barrels. Hornady SST is equally accurate, and provides almost as good a terminal result. PPU soft points provide a good terminal result but not the same accuracy.
In my tests, G2 Ripout loaded with Trident ( Maker Bullet projectile) came out as the top performer in this caliber. It’s accurate down to 1MOA and combines drastic expansion with good penetration.
While it’s expensive to replace an entire 5-6 magazine load-out with premium ammunition, I would look into getting at least a couple of mags worth, plus enough to zero for this load and to function test it. While AK rifles aren’t the most precise weapons, and shooting under stress isn’t the most accurate activity either, why not stack the deck just a little with better-performing ammo? Besides self-defense, the same weapon might be used for medium game like deer…and you wouldn’t want to have to track it for a mile past concerned neighbors.