NATO adopted the 9x19 Parabellum as their Formal sidearm in 1955, along with the U.S. military exchanged the .forty five ACP for your 9mm as their official cartridge. Yrs later on, shooters are still able to find 9mm ammo for sale in nearly every gun shop.Lewis C. mentioned: I have operate Many rounds, thru several 9mm hand guns. Most not too long