Germany Adopts the PPSh in 9mm: the MP-41(r)

Published on February 20, 2023
Duration: 8:24

This guide outlines the technical process for converting a Soviet PPSh-41 submachine gun to fire 9mm Parabellum ammunition, a modification undertaken by Germany during WWII. The conversion involves adapting MP-40 magazines and barrels to the PPSh-41 platform. Expert Ian McCollum details the historical context and technical requirements for this significant wartime modification.

Quick Summary

The MP-41(r) was a German wartime conversion of the Soviet PPSh-41 submachine gun, adapting it to fire 9mm Parabellum ammunition. This modification allowed German forces to utilize standard MP-40 magazines and barrels, simplifying logistics. Key changes included a magazine well adapter and a modified MP-40 barrel fitted to the PPSh-41 receiver.

Chapters

  1. 00:00Introduction to the MP-41(r)
  2. 00:33Historical Context on the Eastern Front
  3. 01:05The Decision to Convert
  4. 02:14Technical Conversion: Magazine Adapter
  5. 04:34Technical Conversion: Barrel Modification
  6. 07:10Authenticity and Provenance

Frequently Asked Questions

What was the MP-41(r)?

The MP-41(r) was a German modification of the Soviet PPSh-41 submachine gun during World War II. Germany converted these captured weapons to fire the 9mm Parabellum cartridge, allowing them to use standard MP-40 magazines and barrels.

Why did Germany convert the PPSh-41?

Germany converted the PPSh-41s to the MP-41(r) primarily for logistical reasons. By chambering them in 9mm Parabellum and adapting MP-40 magazines, they could standardize ammunition and parts with their existing submachine gun inventory, simplifying supply chains on the Eastern Front.

What technical modifications were needed for the MP-41(r)?

The conversion involved three main parts: a magazine well adapter to accept slimmer MP-40 magazines, machining an MP-40 barrel to fit the PPSh-41 trunnion, and ensuring the bolt was compatible with the 9mm cartridge. Minimal bolt modifications were usually required.

How rare are original MP-41(r) submachine guns?

Original MP-41(r) submachine guns are quite rare. Due to their historical significance and limited production, many reproductions or fakes exist. Provenance, such as recovery from historical sites like the lake in Carinthia, is crucial for authenticity.

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