How to Suppress Your MP5-K PDW

Published on April 3, 2021
Duration: 23:14

This guide details two key modifications for optimizing the Heckler & Koch MP5-K PDW for suppressed shooting, as demonstrated by James Reeves. These include installing an 80-degree locking piece and utilizing the 'Gray' extractor spring for improved reliability and durability under suppressed conditions. The video emphasizes the MP5-K's suitability as a suppressor host due to its roller-delayed blowback system.

Quick Summary

Expert James Reeves explains how to effectively suppress an H&K MP5-K PDW using the OSS RAD 9 suppressor. Key modifications include installing an 80-degree locking piece and the 'Gray' extractor spring for improved reliability. The MP5-K's roller-delayed blowback system and the OSS RAD 9's 'Flow-Through' technology minimize back pressure and gas blowback.

Chapters

  1. 00:00Introduction to MP5-K Suppression
  2. 02:21OSS RAD 9 Technical Overview
  3. 06:10Roller-Delayed vs. Straight Blowback
  4. 08:13Mounting Systems and Accuracy
  5. 10:42Technical Hacks: Locking Pieces and Springs
  6. 13:34Ammunition and Range Testing

Frequently Asked Questions

What are the key modifications for suppressing an MP5-K PDW?

For optimal suppressed performance on an MP5-K PDW, experts recommend installing an 80-degree locking piece to slow the action and using the 'Gray' extractor spring (from 10mm/.40 S&W variants) for enhanced durability during sustained fire.

How does the OSS RAD 9 suppressor work?

The OSS RAD 9 features 'Flow-Through' technology, which directs gases forward to minimize back pressure and gas blowback into the shooter's face, offering a cleaner and quieter shooting experience compared to traditional suppressors.

Why is the MP5-K PDW a good host for suppressors?

The MP5-K PDW's roller-delayed blowback system keeps the bolt locked longer, allowing chamber pressures to drop before cycling. This directs more gas through the suppressor, resulting in a quieter action and less blowback for the operator.

What ammunition is recommended for suppressed MP5-K PDW use?

Subsonic ammunition, such as Federal Syntech 150gr loads, is recommended for suppressed use with the MP5-K PDW to ensure the projectile remains below the speed of sound, maximizing suppressor effectiveness and minimizing noise.

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