It provides what I consider to be the consummate blend of horsepower (read kinetic energy) and ease of shooting of any cartridge developed for an autoloading pistol, ever. 45-caliber bullets those many decades ago, it also came to enjoy the rapid fire and repeatability of the M1911 pistol. As our military had come to rely on the larger frontal diameter of the. 45 ACP used a 230-grain bullet of the same diameter that flew at 830 fps. 452-inch diameter to a muzzle velocity of right around 850 fps, the new. But where the older cartridge drove a 255-grain lead bullet of. 45 ACP came very close to providing the same ballistic formula that the larger, rimmed. That pistol/cartridge combo remains a sound choice to this day-I carry a 1911 in. 45 Colt, but in a round could now be fired from a compact, semiautomatic package. 45 ACP, he had essentially designed a cartridge that mimicked the excellent performance of the. 38 Long Colt wouldn’t stop the Moro warriors of the Philippines, and the Army quickly realized they needed a heavier cartridge.īrowning, whose career spanned from 1878 to 1926, an era that saw a huge shift in firearm and cartridge technology, remained a cutting-edge designer to the end of his days. Simply put, the lesser throw weight and slower velocity of the. 38 Long Colt, but its performance (or lack thereof) in the Philippine-American War saw the. That gun was replaced by Colt’s M1892 revolver in. The Army’s sidearm of choice from 1873 to 1892 was the Colt Single Action Army revolver chambered in. Army shopping for a new cartridge/pistol combination? Perhaps shedding a bit of light on that will help explain just why the.
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