Pauly/Roux Pistols: The First Self-Contained Cartridges

Published on August 22, 2025
Duration: 13:08

This guide details the disassembly of the Pauly/Roux system pistols, focusing on their internal striker firing mechanism. It highlights the V-spring in the grip that drives the hammer, which in turn actuates a free-floating striker to ignite the primer. The process involves removing side plate screws and barrel retention screws for access to the internal components. The pistols are noted for their historical significance as early examples of self-contained cartridge firearms.

Quick Summary

Samuel Pauly, born in Switzerland in 1766, is recognized as the father of the modern self-contained cartridge. He patented his design in France in 1808, featuring a metallic base with a primer and a body holding powder and projectile. His early firearms used a 'fire piston' for ignition, a principle similar to diesel engines.

Chapters

  1. 00:04Introduction to Pauly System Pistols
  2. 00:14Samuel Pauly's Cartridge Invention
  3. 01:03Waterproofing Advantage
  4. 01:16Pauly's Firearm Patent and Fire Piston
  5. 01:47Fire Piston Principle Explained
  6. 02:34Military Rejection of Pauly's Design
  7. 03:06Pauly's Departure and Roux's Succession
  8. 03:20Henri Roux's Striker System
  9. 04:26Design Simplicity and Provenance
  10. 05:28Pistol Specifications and Mechanism
  11. 06:47Lack of Markings and Design Recognition
  12. 07:11Internal Mechanism Disassembly
  13. 08:16Striker Firing Mechanism Explained
  14. 09:50Impact of Pauly/Roux Innovations
  15. 10:23Influential Firearms Shop
  16. 11:05Roux's 1823 Cartridge Improvement
  17. 11:39Roux's Cartridge Ahead of its Time

Frequently Asked Questions

Who is considered the father of the modern self-contained cartridge?

Samuel Pauly, a Swiss inventor born in 1766, is widely credited as the father of the modern self-contained cartridge. He patented his innovative design in France in 1808, featuring a metallic base with a primer and a body containing powder and projectile.

How did Samuel Pauly's early firearms ignite cartridges?

Pauly's early firearms utilized a 'fire piston' mechanism. This system worked on the principle of rapid compression of air within a cylinder, which generated enough heat to ignite the fulminate primer compound in the cartridge base.

What was Henri Roux's key contribution to the Pauly system?

Henri Roux, who took over Pauly's business, modified the cartridges to use a plain striker around 1818-1820. Later, in 1823, he patented an improved cartridge design that incorporated a percussion cap nipple, making it compatible with standard percussion caps.

Why were Pauly's fire piston guns rejected by the military?

The French military rejected Pauly's fire piston guns because they were considered 'newfangled, expensive, and fragile.' Their complexity and the precision manufacturing required made them impractical for widespread military adoption at the time.

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