Aguila Ammunition, Pistol, .32 AUTO, 71 Grain, Full Metal Jacket, 50 Round Box905 Feet per second 71 Grain full metal jacket 50 Rounds per box Also fits for : 7. 65X17 AND . 32ACP . 32 ACP (Automatic Colt Pistol, also known as . 32 Automatic) is a centerfire pistol cartridge. It is a semi rimmed, straight walled cartridge developed by firearms designer John Browning, initially for use in the FN M1900 semi automatic pistol. It was introduced in 1899 by Fabrique Nationale, and is also known as the 7. 6517mmSR Browning or 7. 65 mm