This week we look into the American classic cartridge, the .45 Automatic Colt Pistol. John Moses Browning, who some may consider the finest gun designer of all time, conceived the cartridge in 1905. It entered service as part of the most iconic pistol of the 20th and 21st centuries, the Colt 1911 and 1911A1. It is hard not to tell the story of this cartridge without some brief notes about the 1911 platform, as they are synonymous. The legendary pistol comes in many packages from many manufacturers. This was especially true in 2011 during the 100-year anniversary of the gun and the .45 ACP.
Browning based the .45 ACP on the black powder-era idea that an effective cartridge does not have to be fast as long as it is big. The cartridges of the black powder era were mostly small pistol rounds or heavy calibers like the .44, .45, .50, .60, and beyond. However, these flying ashtrays acted more with the affect of a mule kicking you in the chest than a hot poker going straight through you. Shock waves and kinetic energy transfers came from non-excessive penetration, resulting in the projectile dumping all of it’s energy into the target. This dumping of energy made these black powder calibers physically devastating to their targets.
The introduction of the .45 ACP to the battlefield came in 1911 during the Moro Civil War of 1899-1913 in the Philippines. This cartridge proved to be a valuable weapon for the United States military. The .38 Special cartridges were sorely lacking in stopping attacking enemy troops armed sometimes with only machetes. Small-framed Moro’s would charge the U.S. troops armed with their razor sharp instruments. Hit with multiple rounds of .38 caliber ammunition, they could continue onward despite their wounds. Some pictures still exist of them proudly displaying their gunshot wounds. It is fair to say that some of this ammo was very underpowered. Some of the cartridges were still loaded with black powder, which offers far less pressure than smokeless powder. This action, along with other factors, compelled the army to call for a new self-loading pistol cartridge with greater power. They specified that they wanted their new cartridge in .45 caliber, and John Browning delivered.
On October 8, 1918 a young Corporal Alvin York and his unit were under attack from a large contingency of German troops. He, with bayonet fixed on his rifle, made it to the opposing trench under machine gun fire. Upon reaching the opposing trench he was out of ammo in his rifle and drew his 1911 .45 ACP and killing six German troops who began charging him, all this time while being fired upon by a German officer. York, along with seven accompanying U.S. soldiers, captured over 130 German soldiers and with his pistol and seven comrades marched them back to U.S. lines as prisoners. No one would ever doubt, as he received the Medal of Honor, what one motivated soldier could do with a gun equipped with this powerful cartridge.
The cartridge would then see battlefields in the Colt 1911 and the 1911A1 upgrade during World War I, World War II, Korea, Vietnam, the Gulf Conflict, and many excursions in between. The .45 ACP was and still is the preferred caliber of the famous Texas Rangers and many U.S. soldiers. We also see it wore a black hat as well as it was the nemesis of law enforcement.
The .45 showed its dark side during the prohibition era. From 1920 to 1933, it was the choice round for the famous Thompson submachine gun. Designed by American John Thompson, it became the weapon colloquially referred to as the Tommy gun. In its early days, this handheld machine gun could deliver up to 600 rounds of .45 ACP per minute. Following its maturation period, it could deliver up to 1,500 rounds per minute. Ironically, lawbreakers and the FBI would be shooting at each other with the same bullet, as it was the best there was for the guns of the period. This cartridge came of age not on the battlefields of Europe but on the streets of Chicago and other dangerous U.S. cities.
Through wars, crime, time, and trials, this cartridge has stood the test of anything a soldier, bootlegger, or competition shooter could muster. Though the U.S. military, in favor of the 9mm cartridge, retired the .45 ACP and the Colt m1911A1 in 1985, this old warhorse refuses to fade away. It has seen resurgence over the last 10 years, especially during the 100-year anniversary in 2011. Some soldiers even resisted surrendering their .45 ACP weapons and purchased their own for individual units, making the cartridge a remaining player on the battlefield 101 years after its birthday.
This is not just a bullet—it is an American icon. It is so iconic that it is almost a symbol of strength and power, good and bad. Like many of the inventions of John Moses Browning, it may go another 100 years.
I’d like to spit some Beechnut in that dudes Eye
And shoot him with my old .45
Cause a country boy can survive
Country Boy Can Survive words by Hank Williams Junior 1982
Black bandanna, sweet Louisiana
robbin’ on a bank in the state of Indiana
She’s a runner, rebel and a stunner
On her merry way sayin; baby whatcha gonna
Lookin’ down the barrel of a hot metal .45
Just another way to survive
Dani California words by RED HOT CHILLY PEPPERS 2006
|Cartridge||Bullet Weight||Muzzle Velocity||Muzzle Energy|
|.38 Special||125 Grains||950 fps||251 ft.-lbs.|
|9mm Luger||124 Grains||1,120 fps||345 ft.-lbs.|
|.45 ACP||230 Grains||850 fps||370 ft.-lbs.|
|.40 S&W||155 Grains||1,205 fps||485 ft.-lbs.|
|10mm||155 Grains||1,330 fps||605 ft.-lbs.|
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