Krummlauf Curved Barrel on an StG-44

Published on September 4, 2014
Duration: 7:53

This guide details the installation and use of the Krummlauf, a rare curved barrel attachment for the StG-44, designed for urban combat. It covers the mechanical attachment process, the function of the periscope sight, and crucial limitations such as extremely short barrel life and potential bullet fragmentation, as explained by Ian McCollum of Forgotten Weapons.

Quick Summary

The Krummlauf was a rare curved barrel attachment for the StG-44, enabling shots around corners via a periscope. Developed for urban combat, its effectiveness was severely hampered by an approximate 300-round barrel life and bullet fragmentation issues, alongside significant weight and balance problems.

Chapters

  1. 00:19Introduction to the Krummlauf
  2. 00:52Development History
  3. 01:2830-Degree vs. 90-Degree Versions
  4. 02:46Mechanical Attachment
  5. 03:28Gas Relief and Optics Protection
  6. 04:13Optical Sighting System
  7. 05:05Barrel Construction and Rifling
  8. 05:55Testing and Limitations
  9. 06:57Practicality Assessment

Frequently Asked Questions

What was the purpose of the Krummlauf curved barrel attachment for the StG-44?

The Krummlauf was designed to allow soldiers to fire their StG-44 rifles around corners or from behind cover, particularly useful in urban combat and trench warfare. Different angles, like 30 and 90 degrees, served specific tactical needs.

What are the main limitations of the Krummlauf attachment?

The Krummlauf has significant drawbacks, including an extremely short barrel life (around 300 rounds), a tendency for bullets to fragment, and it adds considerable weight and bulk, negatively impacting the rifle's balance and handling.

How did the Krummlauf's periscope sight work?

The periscope system featured a mirror angled at 30 degrees, allowing the shooter to see the target through the curved barrel. It incorporated an internal rear iron sight that aligned with the front sight post on the curved barrel itself.

Was the Krummlauf a successful weapon modification?

While innovative in concept for its time, the Krummlauf was not widely successful due to its severe practical limitations. Its short service life and handling issues meant it was more of a specialized, limited-use tool than a standard battlefield modification.

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