Best ammo for shorty M-4gery?

[A.G. WILSON]

Same as sub. What is the best...and next best ammo for shorties? Is it still available?

[Beepy]

http://www.ammo-oracle.com/body.htm

ya need to make up your own mind...

I use homebrewed Hornady 68 grain HPBT's in a 1/9 twist