Prototype French MAS-49 SMG in .45ACP

Published on January 31, 2024
Duration: 7:57

This expert-level guide details the takedown procedure for the rare prototype French MAS-49 SMG in .45 ACP, highlighting its unique stock extension for grip frame removal. It also provides an overview of the internal lever-delayed blowback mechanism, drawing comparisons to the MAS-1948. The information is presented by Ian McCollum from Forgotten Weapons, demonstrating deep expertise in historical firearms.

Quick Summary

The prototype French MAS-49 SMG in .45 ACP is a rare experimental firearm from the post-WWII era, featuring a lever-delayed blowback action, a collapsing wire stock, and a folding magazine well that serves as a front grip. Its safety mechanism relies on the magazine well's position, and it has a double trigger for selective fire.

Chapters

  1. 00:03Introduction and Location
  2. 00:12MAS-49 Prototype Introduction
  3. 00:29Post-WWII French SMG Program
  4. 01:05MAS 1949 Markings and Design
  5. 01:20Comparison to MAS 1948
  6. 01:42.45 ACP Prototype Rarity
  7. 02:08Shared Design Features
  8. 02:44Magazine Well as Front Grip
  9. 03:05Unique Magazine Design
  10. 03:41Safety and Trigger Mechanism
  11. 04:20Takedown Comparison
  12. 05:30Lever-Delayed Blowback System
  13. 06:34Speculation on .45 ACP Caliber

Frequently Asked Questions

What is the significance of the prototype French MAS-49 SMG in .45 ACP?

This MAS-49 is a rare prototype chambered in .45 ACP, a caliber not typically adopted by France. It represents an experimental development from the MAS-1948 program, showcasing unique design features and a limited production run, indicated by its low serial number.

How does the MAS-49 prototype's safety mechanism work?

The MAS-49 prototype lacks a manual safety switch. Instead, folding the magazine well upwards acts as the primary safety by preventing the bolt from chambering a round. This design integrates safety into the firearm's operational controls.

What is the action type of the prototype French MAS-49 SMG?

The prototype French MAS-49 SMG utilizes a lever-delayed blowback action. This system is designed to manage the pressures associated with larger caliber cartridges by using a delaying lever to slow the bolt's rearward movement, ensuring safe operation.

What are the key design features of the MAS-49 prototype?

Key features include a collapsing wire stock for compactness, a folding magazine well that doubles as a front grip, and a double trigger for semi-automatic and full-automatic fire. Its magazine is a unique double-stack, single-feed design.

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