Slow Motion: Frommer Stop (1912)

Published on August 13, 2014
Duration: 1:20

This guide breaks down the complex firing cycle of the 1912 Frommer Stop pistol, as analyzed by Ian McCollum of Forgotten Weapons. Utilizing high-speed footage, it details the long recoil action, the locking mechanism, and the ejection and chambering process. The analysis highlights the uncommon nature of this design in modern firearms and provides insights into its mechanical intricacies.

Quick Summary

The Frommer Stop (1912) pistol operates via a long recoil action, a less common system where the barrel and bolt travel together before unlocking. It features a 3-lug rotating bolt for secure locking and ejects spent casings from the top. Available in .32 ACP and .380 ACP, its complex firing cycle is best understood through high-speed analysis.

Chapters

  1. 00:00Introduction: Frommer Stop High Speed!
  2. 00:15High-Speed Footage Analysis
  3. 00:30Firing Cycle Breakdown
  4. 01:10Conclusion and Shooting Experience

Frequently Asked Questions

What operating system does the Frommer Stop (1912) use?

The Frommer Stop (1912) utilizes a long recoil action. This means the barrel and bolt remain locked together and travel rearward for a distance before unlocking, a design less common in modern firearms.

How does the Frommer Stop's locking mechanism work?

The Frommer Stop employs a 3-lug rotating bolt system. This mechanism securely locks the barrel into battery before firing, ensuring safe and reliable operation during the recoil cycle.

What calibers was the Frommer Stop (1912) chambered in?

The Frommer Stop (1912) was manufactured in two common pistol calibers of its era: .32 ACP (7.65mm) and .380 ACP (9mm).

What makes the Frommer Stop's firing cycle unique?

Its uniqueness stems from the long recoil action and the top-ejecting spent casings. The detailed mechanics, captured in high-speed footage, reveal a complex sequence of barrel and bolt movements distinct from typical semi-automatic pistols.

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