Walther’s Forgotten SMG: The MPK (and MPL)

Published on December 3, 2025
Duration: 1:02

This review delves into the Walther MPK submachine gun, a competitor to the Uzi and MP5. Key features include an open bolt design, a non-reciprocating charging handle with a manual forward assist, and a secondary safety sear catch to prevent accidental discharges. The MPK offered selector options for full-auto and, in some variants, semi-automatic fire.

Quick Summary

The Walther MPK submachine gun features an open bolt design and a non-reciprocating charging handle that can be manually pushed forward. It includes a secondary safety sear catch to prevent accidental discharges if dropped. Selector options typically included Safe and Full-Auto, with some variants offering Semi-Auto.

Chapters

  1. 00:00Introduction: Walther MPK & Historical Context
  2. 00:16Design: Selector Switch & Open Bolt
  3. 00:32Charging Handle & Manual Forward Assist
  4. 00:41Safety Features: Secondary Sear Catch

Frequently Asked Questions

What are the key design features of the Walther MPK submachine gun?

The Walther MPK features an open bolt design and a non-reciprocating charging handle. It often came with a two-position selector for Safe and Full-Auto, though a three-position option including Semi-Auto was also available. A unique secondary safety sear catch enhances drop safety.

How does the charging handle on the Walther MPK work?

The MPK's charging handle is non-reciprocating, meaning it doesn't move when the gun fires. A distinctive feature allows the user to push the handle inward, which manually forces the bolt forward, useful for ensuring chambering.

What safety mechanisms are present on the Walther MPK?

Beyond the standard fire selector, the MPK includes a secondary safety sear catch. This mechanism prevents accidental discharge by locking the bolt if the gun is dropped and the bolt bounces back far enough to potentially pick up a round.

What historical context surrounds the Walther MPK?

The Walther MPK was developed in the post-WWII era and competed against contemporaries like the Uzi. It predates the Heckler & Koch MP5, positioning it as a significant, though less common, entry in submachine gun development.

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