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.
Sig Sauer Hexium 556 Inc Specifications
- Manufacturer: Sig Sauer
- Family: Hexium Series
- Model: Hexium 556 Inc
- Type: NFA - Silencer
- Item Group: Centerfire Rifle Silencers
- Caliber: .223 Remington / 5.56 NATO
- Finish: Black Cerakote
- Finish Type: Applied Finish
- Core Material: 3D Printed Inconel
- Overall Length: 5.9 inches
- Thread Pitch: 1/2x28 (Factory Supplied)
- Attachment Method: Direct Thread
- Mounting System: HUB Taper Mount Compatible
- Weight: 19 ounces
- End Cap Compatibility: Modular End Cap System
- Application: Suppressed AR-15, Duty Carbines, Tactical SBRs
- Compliance: NFA Regulated, ATF Form 4 Required
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov.
WARNING: 
