Shadow Systems HS923 Modular 9mm Suppressor, Black

The Shadow Systems HS923 is a modular 9mm suppressor with a black anodized finish and lightweight 7075 aluminum construction. Its removable baffle stack extension provides short and long configurations, while the supplied 1/2×28 threaded piston is intended for compatible tilting-barrel handguns.

The design includes a titanium blast baffle and a patent-pending end cap that allows the pistol slide to be used as a wrench. Listed sound reduction is 24–33 dB, depending on configuration and host setup.

Key Specifications

• The suppressor is chambered for 9mm.
• The model is HS923.
• The finish is black anodized.
• The construction uses 7075 aluminum.
• The listed weight is 16.6 ounces.
• The overall length ranges from 5.33 to 8.18 inches.
• The included piston uses a 1/2×28 thread pattern.
• The listed attachment method is direct thread.
• The listed sound reduction is 24–33 dB.
• The suppressor features a titanium blast baffle.

With its configurable length, compact aluminum construction, and included 1/2×28 piston, the HS923 offers a practical platform for compatible 9mm hosts. Its distinct baffle extension and service-oriented end-cap design give informed users flexibility when balancing overall length and suppression performance.

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