The KNS ak piston continues to amaze me.

Published on June 3, 2020
Duration: 7:49

This video demonstrates the installation and tuning of a KNS adjustable gas piston on an AKM-length gas tube. The presenter highlights the ease of installation, requiring only basic tools, and showcases how the adjustable piston significantly reduces felt recoil and improves brass ejection consistency, both suppressed and unsuppressed. The KNS piston allows for fine-tuning the gas system, making the AK platform more versatile for various ammunition types and shooting conditions.

Quick Summary

The KNS adjustable gas piston offers a quick 10-minute installation on AKM-length gas tubes using basic tools. It significantly reduces felt recoil, improves brass ejection consistency, and enhances reliability, especially when using suppressors or various ammunition types, making your AK platform more versatile and controllable.

Chapters

  1. 00:00Introduction: Definitive Arms Romanian 63 Build
  2. 00:14KNS Adjustable Gas Piston Installation
  3. 00:52KNS Gas Piston Overview and Install Time
  4. 01:21Unsuppressed Shooting - Before Tuning
  5. 02:13Tuning Gas Unsuppressed for Soft Shooting
  6. 03:41Suppressing the AK with Full Power Ammo
  7. 04:12Suppressed Full Power Ammo Performance
  8. 04:53Subsonic Ammunition Test
  9. 05:44Subsonic Ammo Challenges & Barrel Twist Rate
  10. 06:22KNS Piston: Phenomenal Performance
  11. 07:09Conclusion and Channel Outro

Frequently Asked Questions

How long does it take to install a KNS adjustable gas piston on an AKM?

The KNS adjustable gas piston can be installed on an AKM-length gas tube in approximately 10 minutes. The process requires only basic tools such as a drill bit, a small punch, and a small hammer, making it a quick and accessible modification for many AK owners.

What are the benefits of using a KNS adjustable gas piston?

The KNS adjustable gas piston offers significant benefits, including drastically reduced felt recoil, improved reliability by allowing fine-tuning of the gas system, and more consistent brass ejection. This makes the firearm shoot softer and more controllable, especially when suppressed or with different ammunition types.

Can a KNS adjustable gas piston help with suppressor use on an AK?

Yes, the KNS adjustable gas piston is highly beneficial for suppressor use on AK platforms. It allows users to tune the gas system to compensate for the added back pressure from a suppressor, reducing excess gas and recoil, and ensuring reliable cycling with various ammunition loads.

Does the KNS adjustable gas piston work with subsonic ammunition?

While the KNS piston offers excellent tuning capabilities, it may not always guarantee reliable cycling with all subsonic ammunition. The video notes that even with the piston fully closed, some subsonic rounds, particularly heavier ones, may not cycle due to factors like barrel twist rate not being optimized for stabilization.

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