Cartridge Hall of Fame: 45 Colt Ammunition | MidwayUSA

Published on April 15, 2010
Duration: 1:31

This video delves into the history and significance of the 45 Colt cartridge, also known as 45 Long Colt. Introduced in 1873 as a joint effort between Colt and the Union Metallic Cartridge Company, it was developed for the Colt Model 1873 Single Action Army and served as the official Army handgun cartridge until 1892. Original black powder loads produced around 560 foot-pounds of muzzle energy. Standard modern loads feature a 255-grain bullet exceeding 900 feet per second, with specialty loads available for modern revolvers like the Ruger Blackhawk.

Quick Summary

The 45 Colt cartridge, later renamed 45 Long Colt, was introduced in 1873 for the Colt Model 1873 Single Action Army. Original black powder loads produced around 560 foot-pounds of muzzle energy. Modern standard loads feature a 255-grain bullet exceeding 900 feet per second.

Chapters

  1. 00:01Introduction to Cartridge Hall of Fame
  2. 00:13Origin of the 45 Colt
  3. 00:21Development for Colt SAA & Army Service
  4. 00:31Original Black Powder Load Energy
  5. 00:37Name Change to 45 Long Colt
  6. 00:4645 Long Colt in Colt 1873 SAA
  7. 00:56Standard Load Performance
  8. 01:03Specialty Loads for Modern Revolvers
  9. 01:12Longevity and Future of 45 Long Colt
  10. 01:19Conclusion: Cartridge Hall of Fame

Frequently Asked Questions

When was the 45 Colt cartridge introduced and for what firearm?

The 45 Colt cartridge, later known as 45 Long Colt, was introduced in 1873. It was developed as a joint effort between Colt and the Union Metallic Cartridge Company specifically for the Colt Model 1873 Single Action Army revolver.

What was the muzzle energy of original 45 Colt black powder loads?

Original black powder loads for the 45 Colt cartridge were developed to produce approximately 560 foot-pounds of muzzle energy. This provided significant power for its era.

Why was the name of the 45 Colt cartridge changed to 45 Long Colt?

The name of the 45 Colt cartridge was changed to 45 Long Colt during the late 1800s. This change was made to distinguish it from the shorter 45 Smith & Wesson Schofield cartridge.

What are the typical performance specifications for modern 45 Long Colt ammunition?

Standard loads for the 45 Long Colt typically feature a 255-grain lead bullet traveling at over 900 feet per second. Specialty manufacturers also offer loads with heavier bullets and higher pressures suitable for modern revolvers.

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