Quick Tip: H&K MP5 vs MP5K - What's the Difference?

Published on April 21, 2020
Duration: 8:01

This guide details the field stripping and reassembly process for the Heckler & Koch MP5 and its shorter variant, the MP5K. It highlights key differences in the disassembly process, particularly concerning the stock and grip housing attachment methods, and emphasizes the non-interchangeability of major components between the two models. The video, presented by Keith from Brownells, offers practical insights for owners of these iconic firearms.

Quick Summary

The main difference between the H&K MP5 and MP5K is size, with the MP5K ('Kurtz' meaning short) featuring a much shorter barrel (approx. 4.5 inches) compared to the standard MP5 (approx. 8.5 inches). Major components like bolt carriers and grip housings are not interchangeable between the two models due to design variations.

Chapters

  1. 00:03Introduction to MP5 and MP5K
  2. 00:45MP5K - The 'Kurtz' Shorter Model
  3. 00:58Standard MP5 Specifications
  4. 01:11MP5 Field Strip
  5. 02:04MP5K Field Strip
  6. 03:19Distinct Differences Highlighted
  7. 03:31MP5K Brace Attachment
  8. 03:50Component Non-Interchangeability
  9. 04:19Basic Tear Down Summary
  10. 04:23Reassembly Process
  11. 06:03Function Check and Reassembly Complete
  12. 06:11H&K Roller Lock Design
  13. 06:30MP5 Parts Availability and Customization
  14. 07:06Knowing Your Specific Model
  15. 07:32Parts Availability and Purchasing Advice

Frequently Asked Questions

What is the main difference between the H&K MP5 and MP5K?

The primary difference is size: the MP5K, meaning 'Kurtz' or short, features a significantly shorter barrel (around 4.5 inches) compared to the standard MP5 (around 8.5 inches). This makes the MP5K more compact for concealed carry or use in confined spaces.

Are parts interchangeable between the MP5 and MP5K?

No, major components like bolt carriers, recoil spring assemblies, and grip housings are generally not interchangeable between the MP5 and MP5K. This is due to design variations, such as the stock attachment points and the presence of a tang on some MP5 grip housings that the MP5K lacks.

How do the stock attachments differ on the MP5 and MP5K?

The standard MP5 typically uses a single pin for its stock assembly. In contrast, the MP5K uses two pins for its stock assembly. Additionally, the MP5K requires a specific internal cage-like brace attachment, whereas the MP5 has a different mounting system.

What is the significance of the 'K' in MP5K?

The 'K' in MP5K is an abbreviation for 'Kurtz', which is the German word for 'short'. This designation highlights the MP5K's primary characteristic: its compact size and shorter barrel length, making it a more maneuverable variant.

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