Too Late and Not Much Better: the Austen Mk II SMG

Published on September 12, 2019
Duration: 9:26

This guide details the disassembly process for the rare Austen Mk II SMG, focusing on its unique die-cast components and internal mechanisms. The video highlights the improved integral firing pin and the Sten-like trigger system. Disassembly involves removing the front grip/magazine well, then the receiver/barrel assembly, followed by access to the fire control group and bolt.

Quick Summary

The Austen Mk II SMG is a rare Australian submachine gun, with only about 200 units produced. It features extensive die-cast components, an integral firing pin for improved reliability, and a two-position aperture sight. Introduced and declared obsolete in August 1946, it represents a unique, albeit short-lived, chapter in firearm design.

Chapters

  1. 00:00Introduction to Austen Mk II
  2. 00:40Design Evolution and Die-Casting
  3. 01:27Visual Comparison: Mk I vs. Mk II
  4. 02:44Stock and Sight Features
  5. 03:34Bayonet Lug and Markings
  6. 04:14Magazine and Handling
  7. 04:34Disassembly Process
  8. 05:57Bolt and Firing Pin Improvements
  9. 06:52Internal Fire Control
  10. 07:54Historical Context and Obsolescence

Frequently Asked Questions

What makes the Austen Mk II SMG unique in its design?

The Austen Mk II SMG is notable for its extensive use of die-cast components for major parts like the grip and trigger housing, and it features an integral firing pin milled into the bolt face for improved reliability over earlier designs.

How rare is the Austen Mk II SMG?

The Austen Mk II SMG is extremely rare, with only approximately 200 units ever produced. It was introduced and declared obsolete in the same month, August 1946, making it a historically significant but seldom-seen firearm.

What are the key differences between the Austen Mk I and Mk II?

The Mk II doubled down on die-casting, used more complex die-cast sections, incorporated the barrel nut into the front die-cast assembly, and featured an improved integral firing pin, distinguishing it from the Mk I's construction.

What ammunition does the Austen Mk II SMG use?

The Austen Mk II SMG fires the 9x19mm Parabellum cartridge and typically uses 30-round magazines, which are interchangeable with Sten magazines.

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