Product Description The Sig Sauer Pivoting Contour Brace is a genuine factory brace designed for SIG MCX and MPX platform firearms that use a 1913 Picatinny rear interface. Built with a high-quality aluminum body and a steel foldable attachment knuckle, it provides a rigid, dependable stabilization point while maintaining compact handling. The pivoting clamp-style polymer brace includes an adjustable nylon strap for improved control and support, and the locking hinge helps keep the brace secure in both deployed and folded positions. When folded, it is designed not to impede normal firearm operation. Product Highlights Factory SIG brace designed for MCX/MPX platforms with a 1913 Picatinny rear interface Folding, pivoting design with locking hinge for compact transport and secure deployment Aluminum construction with a steel folding knuckle for strength and durability Pivotal clamp-style polymer brace with adjustable nylon strap for added stabilization Folds without impeding normal operation for practical storage and carry Specs Brand: Sig Sauer Product Type: Pivoting contour stabilizing/pistol brace Color: Black Mount Interface: 1913 Picatinny (standardized clamp) Design: Fixed/Folding with locking hinge Compatibility: SIG MCX / SIG MPX (with appropriate adapter as required by platform) Materials: Aluminum body; steel folding attachment knuckle; polymer brace; nylon strap UPC: 798681698691 Manufacturer Part Number: 8901672 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.