MP5 Receivers These Are The Different Types With Walter of Safety Harbor Firearms

Published on August 8, 2022
Duration: 6:34

Walt from Safety Harbor Firearms explains the key differences between MP5, MP5K, and Reverse Stretch MP5 receivers, focusing on stock retention pin configurations and stock slide orientation. Understanding these distinctions is crucial for ensuring correct stock or brace compatibility, preventing costly mistakes when purchasing accessories.

Quick Summary

The main difference between MP5 and MP5K receivers for stock attachment is the number of retention pins: full-size MP5s use one pin, while MP5Ks use two (lower and upper). Always check your receiver's pinholes to ensure correct stock or brace compatibility, regardless of the manufacturer's naming.

Chapters

  1. 00:34Introduction to MP5 Receiver Types
  2. 00:56Full-Size MP5 Receiver Explained
  3. 01:24MP5K Receiver Differences
  4. 01:44MP5K Reverse Stretch Receiver
  5. 02:09Manufacturer Naming Conventions
  6. 02:27Identifying Receivers by Pin Holes
  7. 03:00Licensed MP5 Variants (MKE, POF)
  8. 03:19Stock Slide Orientation Difference
  9. 04:06Stock Pin Length Discussion
  10. 05:00Avoiding Incorrect Accessory Purchases
  11. 05:31Contacting Safety Harbor Firearms

Frequently Asked Questions

What is the main difference between an MP5 and an MP5K receiver regarding stock attachment?

The primary difference lies in the number of retention pins. A full-size MP5 receiver uses a single pin at the rear to secure the stock, while an MP5K receiver utilizes two pins: a lower and an upper pin.

How can I determine the correct stock for my MP5 variant?

The most reliable method is to count the pinholes in the rear of your receiver. A single hole indicates a full-size MP5 or Reverse Stretch, while two holes signify an MP5K. This is independent of what the manufacturer calls the firearm.

What is the key characteristic of an MP5K Reverse Stretch receiver?

An MP5K Reverse Stretch receiver shares the same physical size as an MP5K but is distinguished by its single-pin retention system for the stock, similar to a full-size MP5.

Does the slide orientation of the stock differ between MP5 and MP5K models?

Yes, it does. Stocks for a full-size MP5 slide over the outside of the receiver, whereas stocks designed for the MP5K slide to the inside of the receiver section.

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