Description

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

Find more Suppressors Sig Sauer for sale nfa.

Rebates for Sig Sauer brand

Exp. date: 01.09.2026
Buy a New Applicable SIG SAUER Handgun Between 06/01/26 and 08/31/26, Receive One (1) SIG SAUER FOXTROT-EDC COMPACT Flashlight. (SKU: SOFEC002)
*Purchases of all SIG SAUER P365, P320, M17-M18, P210, P211, P220, P226, P229 and 1911 models are included in this offer. All other SIG SAUER Handguns are excluded from this promotion.

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