.58 cents a round
http://www.sgammo.com/product/winchester/500-round-case-40-cal-sw-165-grain-bonded-hollow-point-winchester-ranger-governme
.58 again
http://www.sgammo.com/product/federal/1000-round-case-40-caliber-federal-hydra-shok-le-155-grain-ammo-p40hs2g
.49 cents a round
http://www.sgammo.com/product/federal/1000-round-case-40-cal-sw-180-grain-hst-hollow-point-government-contract-brass-case-
.62 cents a round
http://www.sgammo.com/product/winchester/500-round-case-40-cal-winchester-ranger-165-grain-bonded-jhp-ammo-ra40ba
.54 cents a round
http://www.sgammo.com/product/federal/1000-rd-case-40-cal-federal-hydra-shok-le-180-grain-hollow-point-p40hs1g-ammo
.40 ammo is so plentiful. SG is an awesome vendor as many on this site will attest. I have spent tons on money there, always super fast shipping.
If I were you I'd get some of that 165 grain ranger and fast. There's not much left and that's a smokin' price