Shooting the MAS-38 Submachine Gun: Second Try

Published on September 20, 2018
Duration: 4:06

This guide details troubleshooting steps for the MAS-38 submachine gun, focusing on common feeding failures. It emphasizes careful observation, proper magazine loading, and inspection of both the firearm and ammunition. The video highlights how under-length cartridges can prevent the bolt from properly chambering rounds, leading to malfunctions. Expert Ian McCollum advises patience and potentially waiting for improved ammunition components for reliable operation.

Quick Summary

Troubleshooting MAS-38 feeding failures involves inspecting ammunition for consistent length and proper construction, as under-length cartridges can prevent the bolt from chambering rounds. Ensuring the firearm's feed ramp and chamber are clear of obstructions is also critical. Reliable cycling often depends on high-quality, dimensionally accurate ammunition.

Chapters

  1. 00:00Introduction and Ammunition Challenges
  2. 00:45First Magazine Test
  3. 01:42Second Magazine Test
  4. 02:38Third Magazine and Troubleshooting
  5. 03:05Visual Analysis of Failures
  6. 03:40Conclusion and Future Plans

Frequently Asked Questions

What are common causes of feeding failures in the MAS-38 submachine gun?

Feeding failures in the MAS-38 can stem from issues like under-length ammunition, which prevents the bolt from properly chambering rounds. Other causes include obstructions in the feed ramp or chamber, or problems with the magazine itself. Consistent ammunition quality is crucial for reliable cycling.

How does ammunition length affect the MAS-38's operation?

The MAS-38's bolt needs to correctly pick up and chamber rounds. If the ammunition cartridges are too short (under-length), the bolt may not engage them properly, leading to a failure to feed or chamber, as observed in the video with custom loads.

What steps can be taken to troubleshoot a MAS-38 that is not cycling reliably?

Begin by ensuring the firearm is unloaded and clear. Inspect the chamber and feed ramp for obstructions. Examine the ammunition for consistent dimensions, especially overall length. If issues persist, consider potential mechanical problems with the bolt or firing mechanism, and consult an expert.

Who is Ian McCollum and what is his expertise?

Ian McCollum is the host of Forgotten Weapons, a highly respected channel focusing on historical and unusual firearms. His deep knowledge of firearm mechanics, historical context, and ballistics makes him a recognized authority on obscure and complex weapon systems.

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