--- title: "Sig Sauer SURG556 5.56mm Direct-Thread Suppressor" description: "5.56mm direct-thread suppressor with monolithic Inconel steel core, detachable titanium heat shield, integrated flash hider, and full-auto rating." canonical_url: "https://www.kygunco.com/product/sig-sauer-slx-suppressor-5.56mm-inc-assembly-w-heat-shield" meta: author: KYGUNCO "og:description": "5.56mm direct-thread suppressor with monolithic Inconel steel core, detachable titanium heat shield, integrated flash hider, and full-auto rating." "og:image": "https://cdn.kygunco.com/assets/products/285435/thumbnail.jpg?v=1745586891" "og:image:height": "500" "og:image:width": "500" "og:title": "Sig Sauer SURG556 5.56mm Direct-Thread Suppressor" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Guns](https://www.kygunco.com/category/shooting/guns) / [Class III](https://www.kygunco.com/category/shooting/guns/class-iii) / [Suppressors](https://www.kygunco.com/category/shooting/guns/class-iii/suppressors) / SGS-SURG556 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/285435/main.jpg?v=1745586891) For illustration purposes only, this image may not be an exact representation of the product. # SIG SAUER SLX Suppressor 5.56mm Inc Assembly w/Heat Shield The SIG SAUER SURG556 is a direct-thread 5.56mm suppressor with a monolithic Inconel steel core, integrated flash hider, and Forward-Flux multi-flow geometry designed to reduce back pressure and fouling. It includes a detachable titanium hexagonal heat shield, high-temperature Cerakote finish, and full-auto rating. $1,899.99 ** 5 interest-free payments of **$380** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** Online In Store ** Free Shipping Enjoy delivery to the Lower 48 States at no cost. ** NFA / Class 3 NFA transfer requirements vary by product and location. Additional documentation, approvals, or a qualified dealer may be required. Check local and state regulations to ensure eligibility and compliance before purchasing. ** Ships To FFL Dealer Handled by our expert shippers in Bardstown, KY. ** Partner Fulfilled ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Selling fast. Limited quantities available. Item # 285435 Style SURG556 UPC 798681688951 Condition New Manufacturer [Sig Sauer](https://www.kygunco.com/brand/sig-sauer) Model SLX Caliber 5.56 NATO Weight 2 lb Action Silencer SIG SAUER’s SURG556 is a mission-proven, high-flow 5.56 mm suppressor engineered to exceed contract requirements for accuracy, durability, reliability, signature reduction, thermal limits, and low toxicity. Its Forward-Flux multi-flow core dramatically reduces gas blowback and fouling to keep your sight picture clear and your rifle cleaner under sustained fire. A detachable titanium hexagonal heat shield lowers thermal signature, improves handling, and helps prevent incidental burns during dynamic movement or rapid transport. Built around a monolithic Inconel steel core and featuring an integrated flash hider, the SURG556 is full-auto rated and purpose-built to thrive in the harshest conditions. **Features** - High-flow Forward-Flux internal geometry reduces gas-to-face and fouling while decreasing erosion - Detachable titanium hexagonal heat shield for lower thermal signature and safer handling - Monolithic Inconel steel core for maximum strength and durability - Integrated flash hider for superior signature reduction - Direct-thread 5.56 NATO interface - High-temperature Cerakote finish - Full-auto rated; designed to handle machine-gun firing schedules **Specifications** - Model: SURG556 - Caliber: 5.56 mm - Core Material: Inconel steel (monolithic) - Heat Shield: Titanium, detachable hexagonal shroud - Overall Length: 7.3 in (186 mm) - Weight: 23.8 oz (with shield) / 20.5 oz (without shield) - Attachment Type: Direct Thread - Technology: Forward-Flux multi-flow path (low back pressure) - Finish: High-temp Cerakote ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). ## Frequently Bought Together 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## Don't Forget Your Ammo ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/sig-sauer-slx-suppressor-5.56mm-inc-assembly-w-heat-shield#webpage","@type":"WebPage","description":"5.56mm direct-thread suppressor with monolithic Inconel steel core, detachable titanium heat shield, integrated flash hider, and full-auto rating.","name":"Sig Sauer SURG556 5.56mm Direct-Thread 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