The SB Tactical MPX-01-SB MPX PSB Brace delivers a versatile 3-position profile in a durable black synthetic construction, designed for Sig MPX and MCX platforms (excluding the Copperhead variant) and compatible with integrated Picatinny rails. This brace features an adjustable 3.87 to 8.25 inch overall length, enabling rapid transitions between compact handling and extended support to suit varied shooting scenarios, from precise bench work to rapid field engagement. Its integrated nylon strap adds flexible carry and stabilization options, while the streamlined PSB design preserves balance and control without unnecessary bulk. Built by SB Tactical, this platform-specific brace enhances ergonomics, encouraging stable, repeatable aiming and recoil mitigation across a range of field environments. The blend of sturdy materials, precise fit, and easy adjustability makes it suitable for competitive shooting, hunting, and duty-style applications where a compact, control-friendly stock accessory can improve point-of-aim consistency and overall handling. Whether upgrading a Sig MPX or MCX platform used for varmint patrol, training drills, or tactical drills, the MPX-01-SB PSB brace provides a reliable, adaptable solution that maintains firearm readiness while preserving a low-profile silhouette.