The Shadow Systems HS923 is a modular suppressor designed for use with 9mm pistols. It offers a compact configuration for reduced overall length and a longer configuration via an included baffle stack extension for lower sound signature. The unit ships with a 1/2×28 threaded piston and uses a direct-thread NFA attachment method compatible with tilting-barrel handguns that share that thread pitch.
Key Specifications
- The caliber is 9mm.
- The model designation is HS923.
- The NFA attachment method is Direct Thread.
- The NFA thread pattern is 1/2×28.
- The primary body material is listed as 7075 Aluminum.
- The finish is Anodized.
- The overall length is listed as 5.33″ to 8.18″ in the source data.
- The weight value is listed as 1.0 (unit not specified in source data).
- The reported sound reduction is 24-33 dB.
- The product includes a modular length configuration, listed as Modular Lengh in the source data.
The HS923 combines a compact profile with modular capability, making it applicable where reduced length or lower report is prioritized. Its direct-thread piston and simple end-cap design support straightforward installation and basic user maintenance while maintaining a lightweight package for carry or range use.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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