Look around a little. Cheaper than Dirt is usually more expensive for any given round. Try this site. It's a search engine for ammo prices.
Originally Posted by Stevieterry
Look for Federal, Lake City, or Prvi Partizan 55gr FMJ. This is usually 5.56 XM193, which is brass cased mil surplus or overruns. It can be had for around $.36-$.41 per round.
The really cheap Wolf, XXX Bear, or Tula is usually Russian or other ex-eastern bloc steel case ammo. Just my opinion, but XM193 is about as cheap as I want to go for practice ammo. I pass on the cheap steel case stuff.
Colt SP6920, LE6920, 6720
BCM Lower/ARP 6.8SPC upper for hog hunting
DD M4V5 clone, Troy 5.56 Carbine, S&W M&P10
PSA Lower/BCM LW 16" middie CHF upper
PSA Lower/BCM LW 14.5" middie upper
2 PSA 18"6.8 rifles, PSA 20" M16A4 clone
Remington 870, Remington 700VTR
SA XDm9, XDm9C, , XD9SC S&W 1911
Ruger GP100, Hawkeye77 Compact 6.8SPC
Kel-Tec KSG, Marlin 336 30-30
Sig 1911 Tacops, Scorpion 1911, M11A1, P226 Mk25