Silencer orders are fulfilled by our trusted partner, Silencer Central, who will contact you to guide you through every step of the process. Please note that order cancellations may be subject to a fee. For full details on returns, warranties, and order policies, visit our Silencer T's & C's and FAQ pages Sig Sauer SURG556 Suppressor with Heat Shield - 5.56mm NATO - FDE Cerakote - The SIG SAUER SURG556 isn't just another Suppressor-it's a Mission-Proven Powerhouse Engineered for Extreme Durability, Accuracy, and Signature Reduction in the harshest conditions. Purpose-built to exceed the most demanding Military Standards, it delivers unwavering Performance when it matters most. At its core, the SURG556 Features a Monolithic Inconel Steel Core-Full-auto Rated and ready to endure the relentless heat and stress of sustained fire. Forward-Flux Multi-Flow Technology optimizes gas flow to cut blowback, keeping your sight picture clear and reducing Internal Fouling for Longer, Cleaner Shooting. The Integrated Flash Hider delivers Superior Performance in Low-Light Environments, while the High-Temp Cerakote Finish resists the Toughest Abuse and weather. For added Protection and Operator Safety, the SURG556 comes Equipped with a Detachable Titanium Hexagonal Heat Shield, Lowering Thermal Signature and Guarding against burns during Rapid, High-Volume Fire. This Direct Thread 5.56 NATO Suppressor sets a new benchmark for reliability and innovation-making it equally at home in tactical operations or on the range. When you demand Elite Performance backed by Rock-solid Durability, the SURG556 delivers without compromise. All Silencers Require the Purchase of a $206 Federal Tax Stamp Made in the U.S.A. Thread Pitch: 1/2 x 28 After you place your order, you will be contacted by our fulfillment partner Silencer Central with additional info about next steps. A $10 Paperwork Processing fee will be charged for each suppressor. Purchases, cancellations, returns, and warranty claims for silencers/suppressors are subject to our Silencer Terms and Conditions. All silencer sales are final. Once a silencer is transferred to you, it cannot be returned. See our Silencer Terms and Conditions for warranty details. Please review our frequently asked questions (FAQs) and answers about silencers. Click here to review.