Why wasn't 45 Colt used in original Leverguns?

Published on August 16, 2023
Duration: 0:57

Original .45 Colt cartridges were unsuitable for lever-action rifles due to their small rims, causing extraction problems. The .44-40, with its shoulder and thin neck, offered superior sealing against black powder fouling. The evolution of lever-action cartridges progressed from the Rocket Ball and .44 Henry Rimfire to the .44-40, which became the standard Winchester cartridge.

Quick Summary

The original .45 Colt cartridge had a small rim, causing extraction problems in lever-action rifles. The .44-40 cartridge, designed with a shoulder and thin neck, sealed chambers better against black powder fouling, making it superior for lever-action use.

Chapters

  1. 00:00Extraction Issues with .45 Colt
  2. 00:19Design Advantages of .44-40
  3. 00:31Evolution of Lever-Action Cartridges

Frequently Asked Questions

Why was the original .45 Colt cartridge unsuitable for early lever-action rifles?

The original .45 Colt cartridge featured a very small rim, which led to unreliable extraction in the mechanical actions of lever-action rifles. This design flaw made it prone to jamming or failing to eject spent casings properly.

What made the .44-40 cartridge a better choice for lever-action rifles?

The .44-40 was designed with a shoulder and a thin neck, allowing the brass case to expand and seal the chamber effectively. This prevented hot black powder gases and fouling from blowing back into the rifle's action, ensuring smoother operation.

How did lever-action cartridges evolve before the .44-40 became dominant?

The evolution started with the Volcanic pistol's Rocket Ball, followed by the .44 Henry Rimfire used in the 1860/1866 Winchester models. The .44-40 eventually emerged as the superior cartridge due to its ballistic performance and reliable function in lever-action designs.

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