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 kit onto a PSA Gen 4 AR9, transforming it into an integrally suppressed firearm. The process requires specific tools and a solid understanding of AR-15 assembly. The kit aims to provide a budget-friendly, hearing-safe shooting experience for range use and home defense. Expert instruction is provided on the components and their function.

Quick Summary

The Novox Research X-SD kit, costing around $350, combined with a PSA Gen 4 AR9 base gun ($499), creates a budget-friendly integrally suppressed AR-9. This setup offers significant sound reduction, making it hearing-safe for range use and home defense without requiring expensive subsonic ammunition. Installation requires specialized tools and knowledge.

Chapters

  1. 00:17Introducing the AR9 SD system
  2. 00:30Novox Research SD Kit compatibility
  3. 00:48PSA AR9 features and reliability
  4. 01:25AR9 bolt hold open discussion
  5. 01:42Factory AR9 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

Frequently Asked Questions

What is the Novox Research X-SD kit and what does it do?

The Novox Research X-SD kit is a system designed to make firearms, specifically AR-9s in this video, integrally suppressed. It includes a ported barrel and a sleeve that works with hub-compatible suppressors to significantly reduce sound and muzzle blast.

How much does the budget integrally suppressed AR-9 build cost?

The build featured uses a PSA Gen 4 AR9 base gun costing around $499 and the Novox Research X-SD kit for approximately $350, making it a budget-friendly option for an integrally suppressed firearm.

What are the key features of the PSA Gen 4 AR9 used in this build?

The PSA Gen 4 AR9 features a billet upper receiver, a 4-inch barrel, a Hex M-LOK handguard, and an SBA5 adjustable brace. It is Glock magazine compatible but lacks a last-round bolt hold open.

What tools are required to install the Novox Research X-SD kit?

Installing the Novox Research X-SD kit requires specific gunsmithing tools, including a bench vice, an AR-15 upper receiver vice block suitable for your receiver, and a torque wrench for proper assembly.

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