SIG Chylewski: One-Handed Vest Pocket Automatic

Published on July 24, 2019
Duration: 5:34

The SIG Chylewski was SIG's second automatic pistol, notable for its unique one-handed trigger-cocking mechanism designed by Witold Chylewski. While SIG produced only 1,000 units due to manufacturing challenges, the design later found more success with Bergman and Lignose. This .25 ACP pistol offered safe carry with an empty chamber and quick deployment.

Quick Summary

The SIG Chylewski is a historical vest pocket automatic pistol, notable for its unique one-handed trigger-cocking mechanism patented by Witold Chylewski. Chambered in .25 ACP with a 7-round magazine, SIG produced only 1,000 units due to manufacturing challenges.

Chapters

  1. 00:00Introduction to the SIG Chylewski
  2. 00:51One-Handed Cocking Mechanism Explained
  3. 01:20Design Origins and Patent Details
  4. 02:31Production History and Successors
  5. 04:25Technical Specs and Markings

Frequently Asked Questions

What is unique about the SIG Chylewski pistol's operation?

The SIG Chylewski features a distinctive trigger-cocking mechanism. This allows the user to rack the slide one-handed using their trigger finger, enabling safe carry with an empty chamber and rapid deployment when needed.

Who designed the SIG Chylewski pistol?

The design was patented by Witold Chylewski, a Polish individual residing in Vienna. After World War I, he partnered with SIG for production, with the pistol bearing his name.

What caliber is the SIG Chylewski pistol chambered in?

The SIG version of the Chylewski pistol is chambered in .25 ACP, which is also known as 6.35mm Browning. It typically uses a 7-round magazine.

Why was the SIG Chylewski pistol produced in limited numbers?

SIG's production run was limited to approximately 1,000 units due to manufacturing difficulties and perceived low market popularity at the time. Patent rights later moved to other manufacturers.

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