Shadow Systems HS923 Suppressor | SS9000 | 9mm

The Shadow Systems HS923 is a modular suppressor designed for 9mm firearms that accept a 1/2×28 direct thread. It offers a compact configuration for reduced overall length and a longer configuration using an included baffle stack extension when lower sound signature is desired. The unit is finished in black anodize and is optimized for use on Shadow Systems threaded-barrel pistols and other tilting-barrel handguns with the same thread pitch.

Product Specifications

• The product type is listed as Suppressor.
• The model is HS923.
• The caliber is 9mm.
• The main body material is 7075 Aluminum.
• The finish is Anodized.
• The color is Black.
• The unit weight is listed as 1.0.
• The overall length is listed as 5.33″ to 8.18″.
• The NFA attachment method is Direct Thread.
• The NFA thread pattern is 1/2×28.
• The ATF type is recorded as Silencer.
• The ATF manufacturer is Shadow Systems.
• The listed decibel reduction range is 24-33 dB.
• An additional feature is listed as Modular Lengh.
• The UPC is 810120314778.

The HS923’s modular format makes it practical for range training and competition use where minimizing report and reducing recoil impulse are priorities. Its direct-thread piston (1/2×28) supports quick attachment to compatible pistols while the extension option provides flexibility when lower sound levels are required. Lightweight construction and a low-profile form factor aim to keep handling predictable across both configurations.

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