The Sig Sauer NG556-QD SLX is a 5.56 NATO rifle suppressor engineered for use on semi-automatic carbines. It uses an additive-manufactured monolithic Inconel core and Sig Sauer’s Clutch-Lok quick-detach mounting system for repeatable attachment. The design incorporates a flash-reducing end cap and an internal low-tox flow path intended to lower backflow of particulates compared with traditional baffle-style designs.
Key Specifications
- The suppressor is chambered for .223 Rem / 5.56 NATO.
- The muzzle threads use 1/2×28 for common carbine attachments.
- The overall length measures 7.4 in for a compact profile on full-size rifles.
- The unit weight is 19.4 oz, balancing durability with reasonable mass.
- The construction material is Inconel for high-temperature strength.
- The outside diameter is 1.67 in for a low-profile silhouette.
- Attachment is provided via the Clutch-Lok QD (quick detachable) mounting system.
- The finish is Cerakote (black) for corrosion resistance and reduced glare.
- The internal core is a monolithic, additive-manufactured design for structural durability.
- The muzzle features a flash-reducing end cap to lower visible signature at the muzzle.
Built for reliability and repeatable installation, the NG556-QD SLX offers a durable suppressor option for shooters who prioritize flash reduction, reduced backflow of combustion byproducts, and long-term structural integrity. Its combination of Inconel construction, low-profile diameter, and Clutch-Lok quick-detach interface makes it well suited for use on modern carbines where consistent attachment and durability matter.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
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