The Patriot Defense Ammunition .45 ACP ammunition line is new factory-loaded with a 230 Grain Full Metal Jacket Projectile & Brass Case. Patriot Defense Ammunition, serving shooters and strengthening our nation with genuine American ingenuity, so you can be proud of every bullet you fire! Designed for range training and tactical exercises. Renowned as the standard chambering for the Colt M1911, the .45 ACP or .45 Auto is a rimless handgun cartridge popular due to its low velocity and relatively high stopping power. 50-round trayed retail packaging.