The Hexium 556 Inc stands out for its use of a 3D printed Inconel core, a material known for its extreme resistance to heat and pressure. Inconel's superior thermal properties make this suppressor ideal for high-rate-of-fire scenarios, including suppressed short-barreled rifles and duty carbines. The monolithic internal structure, printed as a single unit, enhances reliability by eliminating seams or welds that could degrade over time under heat cycling.
Sig Sauer integrates a HUB-compatible taper mount on the Hexium 556 Inc, offering wide modularity and a secure barrel interface. This mounting system reduces thread stress and improves concentricity for improved accuracy and gas seal performance. The included 1/2x28 direct thread adapter ensures the suppressor is ready for immediate use on standard 5.56 NATO barrels, making it a plug-and-play option for AR-15 users.
Externally, the suppressor is finished in black Cerakote for corrosion resistance and low-visibility performance. The front end cap is modular and can be replaced or tuned for different gas volumes or muzzle pressure characteristics. With a total weight of 19 ounces, the Hexium 556 Inc balances strength and size in a suppressor tailored to rigorous use. Whether for tactical applications, training, or advanced competition setups, this suppressor offers precision sound control in a compact footprint.
Features
- Low back pressure design for reduced gas-to-face and cleaner operation
- Refined baffle geometry for quiet, consistent sound
- HUB compatible with Direct Thread steel mount
- Tool-less modular end cap accessory interface
- External hex pattern with black hi-temp Cerakote finish
- 3D-printed Inconel suppressor body
- Infinite Guarantee
Specifications
- Model: HEXIUM556INC
- Caliber: 5.56 mm
- Material: Inconel
- Diameter: 1.75 in
- Overall Length: 5.9 in (150 mm)
- Weight: 20 oz (567 g)
- Attachment Type: HUB compatible, Direct Thread steel mount
- Thread Pitch: 1/2×28
- Finish: Black hi-temp Cerakote
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