Everything in this video, from the original WWII training video to the basic primer on the science behind AP ammunition is just plain awesome. The best part is that if you keep your eyes open you can still find some of this stuff at your local gun show.
Check it out:
Wow, that stuff messes up Ar500 steel!
If zombies ever attack you can even pull the AP bullets from surplus 30-06 rounds and use them in your .308, keep in mind that it might not be legal or safe to do so in the pre-zombie era. Once you’ve watched this video, check out some of the reviews of armor piercing incendiary rounds on the ammo channel. There is a whole wide world of collector military surplus ammo out there, jump in and explore.