"They're federally illegal to shoot period I beleive. And why would you use a FMJ for hunting? It would just go in and out of the game, no mushroom effect. FMJ ammo is meant for anti-armor purposes."

There is no federal law prohibiting FMJ bullets. There is that feel good law that prevents the sale of some military armor piercing rounds, called SLAP rounds.You should see whatthe 55 grain bullet from an M193 .223/5.56mm round does to a deer, hog or coyote at ranges less than 150 yards.

Here is a link that will show you just how the 55 grain FMJ military bullet breaks up. Even if the aim is a little off, often a piece of the bullet will shred the heart or liver of an animal.

http://home.snafu.de/l.moeller/Zielwirkung/military_bullet_wound_patterns.html