The SIG SAUER HEXIUM 556 (Titanium) suppressor is engineered for serious shooters demanding high performance with minimal compromise. Built around a 3D-printed titanium core, the HEXIUM 556 weighs 11 oz and measures 6.2 in overall length with a 1.75 in diameter. Its internal geometry is optimized for low back pressure and sound suppression, delivering crisp, clean tonal qualities across semi-auto and full-auto platforms. Out of the box it ships with a 1/2-28 direct-thread mount that is compatible with industry-standard HUB mounts, allowing you to use your favorite quick-detach 1.375×24 HUB mounts. 

Three flagship features define this suppressor’s advantage: (1) Optimized for Sound & Low Back Pressure — the internal design minimizes gas blowback while maximizing acoustic efficiency; (2) HUB-Compatible Mount — the taper mount system allows quick swaps and cross-platform compatibility with HUB-style mounts; and (3) Modular End Cap for Additional Accessories— the front end cap can be interchanged or upgraded to tune performance or add attachments. These features combine to make the HEXIUM 556 Titanium a versatile, high-end suppressor suited for tactical, precision, and duty use.

WHAT’S IN THE BOX?

• Sig Sauer Hexium556 suppressor
• 1/2×28 direct thread HUB mount