AR-15 vs AK-47: Which is Better Suppressed?

Published on September 13, 2016
Duration: 7:30

This video compares the suppressed performance of AR-15 and AK-47 platforms, focusing on 300 Blackout and 7.62x39mm calibers. The presenter notes that AK-pattern rifles are typically louder when suppressed due to being overgassed, venting excess gas through ports, which the suppressor can exacerbate by increasing back pressure. The YHM Phantom LT30 suppressor is highlighted for its proprietary mount system.

Quick Summary

AK-47s are typically louder than AR-15s when suppressed because they are designed to be overgassed and vent excess gas through ports. This inherent gas venting, combined with the back pressure from a suppressor, contributes to a louder overall sound signature compared to the AR-15 platform.

Chapters

  1. 00:01AR vs AK: The Age-Old Argument
  2. 00:31Caliber Comparison: 5.56 vs 7.62x39mm
  3. 01:05Introducing 300 Blackout for Comparison
  4. 01:50Suppressor Setup: YHM Phantom LT30
  5. 02:53Suppressor Mount Issue & Gun Swap
  6. 03:43300 Blackout Supersonic Test
  7. 04:57AK-47 7.62x39mm Supersonic Test
  8. 05:56AK vs AR: Suppressed Loudness Explained
  9. 06:57Final Thoughts on Suppressed Performance

Frequently Asked Questions

Why is an AK-47 typically louder than an AR-15 when suppressed?

AK-47s are generally overgassed and designed with ports to vent excess gas. Even with a suppressor, this inherent gas venting system contributes to a louder sound signature compared to the AR-15, which may have a more contained gas system.

What caliber is best for comparing AR-15 and AK-47 suppressed performance?

While traditionally chambered in different calibers (5.56 for AR-15, 7.62x39mm for AK-47), the 300 Blackout caliber allows for a more direct, apples-to-apples comparison of suppressed performance between the two platforms.

What suppressor was used in the AR-15 vs AK-47 suppressed test?

The YHM Phantom LT30, a 30-caliber suppressor, was used for the testing. It features a proprietary claw or tooth mount system that attaches to a specific threaded flash hider.

How does the gas system of an AK-47 affect its suppressed sound?

AK-47s use a piston system and vent excess gas through ports after unlocking. This design means a significant amount of gas is expelled externally, which can be exacerbated by the back pressure from a suppressor, making the rifle louder.

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