Lanchester MkI: Britain's First Emergency SMG

Published on September 5, 2017
Duration: 16:56

The Lanchester MkI was Britain's first emergency submachine gun, developed by reverse-engineering the German MP28. Initially adopted by the Royal Navy and RAF, it featured a distinctive brass magazine well and utilized SMLE rifle stocks. The MkI* variant simplified production by removing the semi-auto selector. Despite its weight and parts non-interchangeability, it served until the 1970s.

Quick Summary

The Lanchester MkI was Britain's first emergency submachine gun, developed by reverse-engineering captured German MP28s due to a lack of SMGs in 1939. It featured a brass magazine well, SMLE stock, and the MkI* variant simplified production by removing semi-auto fire.

Chapters

  1. 00:00Introduction: Britain's WWII SMG Gap
  2. 00:59Development: Reverse Engineering the MP28
  3. 02:31Adoption and Production Numbers
  4. 04:32MkI vs MkI*: Simplified Variants
  5. 05:29Design Comparison: Lanchester vs MP28
  6. 06:45Brass Magazine Well & Markings
  7. 08:02Sights and SMLE Stock
  8. 08:56Disassembly Process
  9. 09:40Internal Bolt Comparison
  10. 10:36Trigger and Manufacturing Simplifications
  11. 13:08Magazine Overview (32 & 50-round)
  12. 14:21Technical Specifications Summary
  13. 15:18Post-War Service and Global Spread

Frequently Asked Questions

What was the historical context for the Lanchester MkI's development?

Britain entered World War II in 1939 without any submachine guns in its military inventory. This critical gap led to the rapid development of the Lanchester MkI, which was based on reverse-engineered German MP28 submachine guns.

What were the key design features of the Lanchester MkI?

The Lanchester MkI is notable for its distinctive brass magazine well, the use of an SMLE rifle buttstock, and a barrel jacket similar to the German MP28. The MkI* variant simplified production by removing the semi-automatic fire option.

Was the Lanchester MkI designed for parts interchangeability?

No, the Lanchester MkI was not designed for parts interchangeability. Components were often marked with an 'A' suffix, indicating they were specific to that firearm and required individual fitting, making repairs more complex.

What types of magazines did the Lanchester MkI use?

The Lanchester MkI utilized stick magazines, commonly available in 32-round and a less practical 50-round capacity. The design of these magazines also showed commonality with those used by the Sten gun.

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