Sig Sauer SLX556-QD | 5.56 NATO Inconel Suppressor

The Sig Sauer SLX556-QD is a 5.56 NATO rifle suppressor built with an Inconel monolithic core and the Clutch-LOK quick-detach mounting system. The SLX series uses a multi-flow internal path to vent gases faster than traditional baffle stacks, reducing detectable flash and lowering the amount of toxic fumes back through the ejection port. This model is specified for use with supersonic ammunition and is intended for shooters focused on flash reduction and reduced internal exposure to combustion byproducts.

Typical applications include range training and field/precision shooting where reduced muzzle flash and lower backflow of gases improve the shooting experience and follow-up shot observation.

Product Specifications

• The caliber is .223 REM/5.56 NATO.
• The material is Inconel.
• The finish is Cerakote.
• The exterior color is Black.
• The overall length is 7.4 in (188 mm).
• The weight is 19.4 oz (550 g).
• The diameter is 1.67 in (42 mm).
• The attachment type is Clutch-Lok QD.
• The model is SLX556-QD.
• The product type is Suppressor.
• Included accessories are Quick Detach Mount/Muzzle Brake.
• The cartridge listing is .223 REM/5.56 NATO.
• The style is Quick Detach.
• UPC: 798681629053.

The SLX556-QD combines durable Inconel construction with Sig Sauer’s tactile Clutch-LOK QD interface to deliver a repeatable, low-profile mounting solution and a low-tox performance focus. Its multi-flow design and flash-reducing end cap make it well suited for shooters who want to minimize visible signature and reduce the amount of combustion byproducts routed back toward the receiver without compromising supersonic performance.

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