SKS Suppressed - Do it yourself in 10 minutes!

Published on January 2, 2020
Duration: 7:20

This guide details the process of suppressing an SKS rifle, as demonstrated by Rob Ski of AK Operators Union. It covers threading the barrel, installing a specific OSS QD muzzle brake, and the critical safety step of checking bore concentricity. The OSS suppressor design is highlighted for its ability to vent gas forward, allowing reliable cycling without modifying the SKS gas system.

Quick Summary

Suppressing an SKS rifle is achievable without gas system modifications using the OSS Helix QD suppressor, thanks to its forward-venting gas design. Key steps include threading the barrel with a CNC Warrior kit, installing the OSS QD brake (Part #1627), and performing a crucial bore concentricity check with a guide rod to prevent baffle strikes.

Chapters

  1. 00:00Shooting Demonstration
  2. 01:05Introduction and Suppressor Choice
  3. 02:10Barrel Threading Process
  4. 03:32Muzzle Brake Specifications
  5. 04:05Concentricity and Safety
  6. 05:17Installation and Bayonet Compatibility
  7. 06:31Conclusion and Targets

Frequently Asked Questions

How can I suppress an SKS rifle without modifying its gas system?

The OSS Helix QD suppressor is ideal for the SKS because its unique design vents gases forward. This prevents increased back pressure and allows the rifle to cycle reliably without any internal gas system modifications.

What is the critical safety step when installing a suppressor on an SKS?

The most critical safety step is checking bore concentricity using a guide rod. This ensures the suppressor is perfectly aligned with the barrel's bore to prevent dangerous baffle strikes.

What tools are needed to thread an SKS barrel for a suppressor?

You will need a CNC Warrior threading kit, specifically a 14x1 LH die, and a pilot tool to ensure straight threads on the SKS barrel for proper suppressor attachment.

Can I still attach a bayonet to an SKS after installing a suppressor muzzle brake?

Yes, you can still attach the SKS bayonet, but you must remove the suppressor's muzzle brake first. The brake itself is not compatible with the bayonet mount.

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