AK Suppressed! No magic, just physics!

Published on August 11, 2019
Duration: 14:13

Suppressing an AK rifle requires careful attention to physics, primarily barrel concentricity to prevent baffle strikes. Managing increased backpressure is crucial, achievable with adjustable gas blocks or advanced suppressor technologies like OSS's flow-through system. While suppressors reduce noise, supersonic crack remains, and subsonic ammunition is needed for maximum quietness. Heat and barrel wear are significant concerns, necessitating caution against excessive firing.

Quick Summary

The most critical requirement for suppressing any rifle, including AKs, is a concentric barrel to prevent baffle strikes. Increased backpressure can be managed with adjustable gas blocks or advanced suppressors like OSS (HUXWRX) flow-through systems, which vent gas forward.

Chapters

  1. 00:00Intro: Suppressing AKs Explained
  2. 00:34Critical: Barrel Concentricity
  3. 01:46How to Check Barrel Alignment
  4. 03:16Managing Gas Backpressure
  5. 05:30OSS Flow-Through Technology
  6. 08:15Velocity Testing: Suppressed vs. Unsuppressed
  7. 10:05Heat and Barrel Wear Concerns
  8. 11:15Noise Levels & Ammo Choice

Frequently Asked Questions

What is the most critical factor when suppressing an AK rifle?

The most critical factor is barrel concentricity. A non-concentric barrel can lead to baffle strikes within the suppressor, causing damage to both the suppressor and the firearm, and potentially posing a safety risk.

How can I manage increased backpressure when suppressing an AK?

You can manage increased backpressure using adjustable gas blocks from brands like Definitive Arms or KNS Precision. Alternatively, suppressors with forward-venting technology, such as OSS (HUXWRX) systems, reduce backpressure effectively.

Does suppressing an AK affect bullet velocity?

According to tests with an OSS system on 7.62x39mm ammo, the muzzle velocity remained nearly identical (~2365 fps) whether the rifle was suppressed or unsuppressed, indicating minimal impact.

What are the risks of suppressing an AK rifle?

Suppressors significantly increase heat, which can accelerate barrel erosion. Excessive firing, like rapid magazine dumps, should be avoided to prevent premature barrel wear and maintain the rifle's lifespan.

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