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 HEXIUM 300 AAC Blackout Suppressor with 5/8 x 24 Direct Thread Mount - Black Hi-Temp Cerakote - The new SIG SAUER HEXIUM suppressor line delivers reduced back pressure and clean, refined sound suppression across a wide range of firearm platforms. Built for versatility and durability, and backed by an industry-leading warranty, the HEXIUM series is engineered to meet the demands of shooters who expect top-tier suppressor performance. Leveraging advanced additive manufacturing, cutting-edge computer modeling, and extensive testing, SIG SAUER has developed the HEXIUM line to provide consistent performance and superior sound quality in real-world conditions. Designed for broad compatibility, each HEXIUM suppressor features a HUB-compatible interface with a direct-thread steel mount for simple, secure installation across multiple platforms. A modular front end cap system further enhances adaptability, allowing for accessory integration based on your specific setup. At its core, the 3D-printed internal structure utilizes precisely engineered geometries to minimize back pressure while delivering quiet, balanced tones-ensuring reliable performance across a variety of firearms. Thread Pitch: 5/8 x 24 ; Exceptionally quiet suppressor - new baffle geometry; Low back-pressure internal design; HUB-compatible with direct thread steel mount; Tool-less end cap accessory mounting system; External hex pattern with black hi-temp cerakote finish; 3D-printed titanium or inconel suppressor body; 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.