Sig Sauer NG556C-QD | 5.56 SLX Compact QD Suppressor

The Sig Sauer NG556C-QD SLX is a compact, quick-detach suppressor engineered for 5.56/.223 rifle platforms. It uses an Inconel monolithic core and a Clutch-Lok QD attachment to deliver durable, repeatable mounting in a short package. The design emphasizes reduced blowback and lower flash for improved training and range use. This suppressor is intended for use with supersonic ammunition and applications such as range training and precision shooting.

Product Specifications

• The overall length is 5.2 inches.
• The weight is 14.6 oz.
• The build material is Inconel.
• The listed caliber is .223 REM/5.56 NATO.
• The outside diameter is 1.67 inches.
• The attachment type is Quick Detachable (Clutch-Lok).
• The NFA thread pattern is 1/2×28.
• The finish is High Temp Cerakote.
• The ATF model is NG556C-QD.
• The ATF manufacturer is SIG SAUER.
• The product type is categorized as NFA – Silencer.
• The suppressor features a Monolithic Core (Inconel).
• The suppressor includes a Flash Reducing End Cap.
• The mounting system is a Clutch Lock Mounting System.
• The UPC is 798681700318.

The NG556C-QD SLX offers a compact footprint with durable Inconel construction and a proven quick-detach interface, making it a practical choice for shooters who need a short, repeatable suppressor for range work and precision applications. Its low-blowback design and flash-reducing end cap improve the firing experience without adding unnecessary length or weight.

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