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

Published on December 3, 2025
Duration: 1:02

This expert-level entry details the Walther MPK submachine gun, a rare NFA item. It covers its open-bolt, blowback operation, unique non-reciprocating charging handle with a forward assist, and safety features like a secondary sear catch. The MPK is compared to contemporaries like the Uzi and MP5, highlighting its historical context and design nuances.

Quick Summary

The Walther MPK submachine gun features an open bolt, blowback operating system and a unique non-reciprocating charging handle that can also act as a manual forward assist. It incorporates a secondary safety sear catch to prevent accidental discharges if dropped. While often having a 2-position selector, a 3-position option with semi-auto was also available.

Chapters

  1. 00:00Introduction and Historical Context
  2. 00:16Design and Selector Switch
  3. 00:32Charging Handle Functionality
  4. 00:41Safety Mechanisms

Frequently Asked Questions

What type of operating system does the Walther MPK use?

The Walther MPK submachine gun operates using an open bolt, blowback system. This design is known for its simplicity and reliability in many automatic firearms.

Does the Walther MPK have a semi-automatic fire mode?

The Walther MPK was typically offered with a two-position selector for Safe and Full-Auto. However, a three-position variant that included a Semi-Auto setting was also available for this firearm.

What is unique about the Walther MPK's charging handle?

The Walther MPK features a non-reciprocating charging handle. Uniquely, it can be manually pushed inward to ensure the bolt is fully forward, serving as a manual forward assist.

What safety features are incorporated into the Walther MPK?

The Walther MPK includes a secondary safety sear catch. This mechanism prevents accidental discharges by locking the bolt if the firearm is dropped and the bolt retracts sufficiently.

Related News

All News →

More Reviews Videos You Might Like

More from Forgotten Weapons

View all →