Ultimate Integrally Suppressed AR-9 SD On A Budget 🤫

Published on January 17, 2026
Duration: 10:10

This guide details the installation of the Novox Research X-SD integrally suppressed kit onto a PSA Gen 4 AR-9. The process involves replacing the factory barrel with the ported Novox barrel and attaching specific thread modules. The kit aims to make ammunition subsonic, significantly reducing sound and providing a hearing-safe shooting experience. Installation requires specialized tools and AR-15 assembly knowledge.

Quick Summary

The Novox Research X-SD kit transforms an AR-9 into an integrally suppressed firearm by using a ported barrel to ensure subsonic velocities. This significantly reduces noise, making it hearing-safe without expensive subsonic ammunition. The kit includes barrel extensions and a universal sleeve that enhances suppressor performance.

Chapters

  1. 00:17Introducing the Novox Research SD Kit for PSA AR-9
  2. 00:30Novox Research SD Kit Compatibility
  3. 00:48PSA AR-9 Features and Reliability
  4. 01:25AR-9 Bolt Hold Open Discussion
  5. 01:42Factory AR-9 Barrel and Handguard
  6. 02:56Novox Research SD System Explained
  7. 03:25Subsonic Ammunition and Performance
  8. 03:48Suppressor Integration and Blast Baffle
  9. 05:13Handguard Fitment and Pricing
  10. 06:06Benefits and Installation of the SD Kit

Frequently Asked Questions

What is the Novox Research X-SD kit and what does it do for an AR-9?

The Novox Research X-SD kit is an integrally suppressed system designed for AR-9 platforms like the PSA Gen 4. It features a ported barrel that slows projectiles to subsonic velocities, significantly reducing the sound signature and making the firearm hearing-safe without specialized ammunition.

Is the Novox Research X-SD kit compatible with all AR-9s?

The Novox Research SD kit is available for various platforms including AR-9 and Scorpion. While the video focuses on the PSA Gen 4 AR-9, other models like SPC-9, KMA, CMMG, GHM9, and Stribog are listed as coming soon, indicating broad compatibility efforts.

What are the key components of the Novox Research X-SD system?

The Novox Research X-SD kit includes a ported barrel designed to bleed off gas, an Alpha Thread Module, and a Bravo Hub Module. A universal sleeve also acts as an additional blast baffle when a hub-compatible suppressor is attached.

What is the cost of the Novox Research X-SD kit and the PSA AR-9 base gun?

The Novox Research X-SD kit is priced around $350. The PSA AR-9 base gun used in the video was purchased for $499, making this an affordable option for an integrally suppressed AR-9 setup.

More Gunsmithing & DIY Videos You Might Like

More from Mrgunsngear Channel

View all →