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They are two of the most popular revolver cartridges of all time, and today Brownells Gun Tech™ Steve Ostrem does a quick compare-and-contrast of the .44 Magnum and .45 Long Colt. The .45 LC debuted in the 1870s, when the steel used in revolvers was much weaker than modern steel, so it's a low-pressure cartridge. The .44 Magnum was developed in the 1950s specifically for hunting, and stronger modern gun steels meant revolvers could be built to handle its much greater pressures. Full-power commercial .44 Magnum ammunition tends to be easier to find. The .45 Colt you find at the gun store is loaded mildly so folks don't blow up their vintage Colt Single Action Army revolvers! If you're a handloader and have a strong modern revolver, like a Ruger Blackhawk or Redhawk, chambered in .45 Long Colt, you can load up