Erma EMP: Heinrich Vollmer's Interwar Submachine Gun

Published on October 23, 2020
Duration: 12:20

This guide details the disassembly of the Erma EMP submachine gun, as demonstrated by Ian McCollum of Forgotten Weapons. The procedure highlights the unique takedown system utilizing the rear trigger as a lever and the internal telescoping recoil spring. Expert instruction emphasizes safety and the historical context of this interwar firearm designed by Heinrich Vollmer.

Quick Summary

The Erma EMP is an interwar submachine gun designed by Heinrich Vollmer, notable for its vertical front grip, left-side magazine, and a unique 'police safety' mechanism. Its takedown utilizes the rear trigger guard as a lever, and it features a telescoping recoil spring system. Developed under secret funding to circumvent treaty restrictions, it saw service in conflicts like the Spanish Civil War.

Chapters

  1. 00:00Introduction and Vollmer's History
  2. 01:16Erma Acquisition and Marketing
  3. 02:22Visual Features and Magazine Variants
  4. 04:21The Police Safety Mechanism
  5. 05:48Trigger and Fire Selector
  6. 07:53Takedown and Internal Mechanics
  7. 10:02Combat History and Conclusion

Frequently Asked Questions

What is the Erma EMP and who designed it?

The Erma EMP is an interwar submachine gun designed by Heinrich Vollmer, a WWI designer. It was developed with secret German government funding during the period between the World Wars, despite restrictions imposed by the Treaty of Versailles.

What are the key visual features of the Erma EMP?

The Erma EMP is recognizable by its vertical front grip and the magazine inserted on the left side. It also features a distinctive 'police safety' switch for added security.

How does the Erma EMP's takedown procedure work?

The Erma EMP has a unique takedown system where the rear trigger guard acts as a lever. Pulling it allows the upper receiver assembly to rotate and detach from the lower receiver for maintenance.

What calibers and capacities did the Erma EMP come in?

The Erma EMP was offered in various calibers, including 9x19mm Parabellum, 9x23mm Steyr, and 7.63mm Mauser. Magazine capacities typically ranged from 20 to 32 rounds.

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