Improve your pistol's ergonomics and utility by combining the MPX/MCX mounting system and the Strike Industries patent-pending stabilizer design. Designed to work with the existing receiver cuts, the Stabilizer collapses to an extremely compact size. Designed to work with the existing receiver cuts, the Stabilizer collapses to an extremely compact size. The stabilizing fin has been ergonomically cut to provide a superb stabilizing interface along all planes. Features3 Position AdjustableSlim design, low-profile footprintEnhanced pistol stabilizing InterfaceDrop-In compatible for Sig MCX/MPX