Phoenix Rising carries the best pistol and rifle ammunition available on the market with a wide range of selections. We carry the most standard and specialized pistol and rifle ammunition in the industry. The most common pistol cartridges are typically used for handguns, revolvers, sub-guns, or specific AR/AK style weapons that are chambered in pistol calibers such as the common 9mm or 45 ACP. We also carry a wide selection of Ammunition that can be measured in either millimeters or inches, depending on where it was first developed. Comparatively, the.45 ACP cartridge was developed in the United States. The United States is the birthplace of the 40-caliber cartridge. If your pistol is a 9mm pistol, you need 9mm ammunition. In regards to finding the correct caliber, please see your firearms caliber specifications for more information.