not .45 acp. From what I understand its 1mm too short, but if you have a revolver with moon clips its great... $160 / 1000 rounds! Not sure what would be involved in getting a 1911 to shoot it.
http://www.jgsales.com/45hp-not-45acp-prvi-partizan-185gr,-sjhp-ammo,-1000rd-case.-p-92450.html
http://www.jgsales.com/45hp-not-45acp-prvi-partizan-185gr,-sjhp-ammo,-1000rd-case.-p-92450.html