The Sig Sauer NG556C-QD SLX is a compact, quick-detach suppressor engineered for use with .223 Rem / 5.56 NATO. It combines Inconel construction and the Clutch-Lok QD mounting system to reduce added length while addressing flash and gas management. The short overall length and modest diameter make it appropriate for users seeking a reduced-profile suppressor for duty, range, or general-purpose rifle use. The SLX series emphasizes lower backpressure and reduced toxic gas flow compared with many traditional baffle designs.
Key Specifications
- Designed for .223 Rem / 5.56 NATO cartridges.
- The overall length measures 5.2 inches.
- Constructed from Inconel for high-temperature durability.
- Attachment uses the Clutch-Lok QD quick-detach mounting system.
- Accepts a 1/2×28 thread pattern as specified.
- The outside diameter measures 1.67 inches.
- Finish is listed as High Temp Cerakote.
- ATF model designation is NG556C-QD.
- Product type is listed as NFA – Silencer.
The NG556C-QD SLX delivers a compact package with a focus on reduced flash and lower backpressure in a durable Inconel body. Its quick-detach Clutch-Lok system and short profile make it a practical choice for users who need a robust, low-profile suppressor for general rifle applications.
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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