The SIG SAUER Hexium 556, part number HEXIUM556, is a compact NFA silencer designed for firearms chambered in .223 Remington and 5.56 NATO. Its black finish provides a subdued appearance, while the titanium construction helps support a lightweight setup for compatible rifles and firearms. As an NFA-regulated item, purchase, transfer, and possession are subject to all applicable federal, state, and local laws and regulations.
The Hexium 556 features a 3D printed titanium core engineered for a durable, streamlined suppressor design. Its HUB Taper Direct Thread Mount provides a direct-attachment configuration for compatible hosts and can help maintain a secure connection when properly installed. The mounting system is intended for users who want a straightforward interface without unnecessary external components, while the suppressor’s compact format supports practical handling in a variety of shooting applications.
An End Cap Mounting System adds serviceability and design flexibility to the suppressor platform. The Hexium 556 is purpose-built for .223 Remington and 5.56 NATO use, making it a suitable option for compatible modern sporting rifles and other properly configured firearms. Before installation, verify firearm compatibility, thread specifications, barrel restrictions, and manufacturer guidance. Always follow safe handling procedures, use appropriate eye and hearing protection, and ensure the suppressor is installed and maintained by qualified personnel. SIG SAUER combines established firearms engineering with modern additive manufacturing in the Hexium 556 for users seeking a dedicated 5.56 suppressor with a direct-thread mounting solution.
Features:
- HUB Taper Direct Thread Mount provides a direct-attachment interface for compatible firearms and hosts.
- End Cap Mounting System supports the suppressor’s modular service and maintenance design.
- 3D Printed Titanium Core delivers a modern, lightweight construction for compatible .223 Remington and 5.56 NATO applications.
- Black finish offers a subdued appearance suitable for a wide range of firearm configurations.
- NFA silencer regulated under applicable federal, state, and local laws.
