Why would anyone want to buy sporting ammo with a hardened tungsten core, anyway? Not even the grizzly bears are that tough.
You're right--only the 'newest' is tungsten---increasingly, over time, they used harder and harder steels (not tungsten). Russia makes a tungsten core now also, however. That's kind of my point--one of the advantages of the thing is that 'real-deal' mil-spec ammo *IS* available that has a hard penatrator.
No, I'm not talking about using it for hunting but for self-defense aplications--as in the 'bad guy' is wearing body armor, etc
No, it's not AP in the sense that M2AP *is* AP, but all things being equal...
And the bullets are so cheap compared to 5.56 you get sick to your stomach just thinking about it.
For most real-world applications @ < 200m I'd bet on 7.62 x 39 having an edge--- except maybe at zipping through moderate body armor; it has the momentum advantage and isn't going to deflect as much when shooting at a target through concealment/non-hardened cover.