ProMag's Smith & Wesson Sigma Rail Adapter is constructed of black polymer for durability and is compatible with S&W Sigma Enhanced pistols. The adapter clamps onto the proprietary rail slots in the Sigma dust cover and adapts it to Picatinny accessory rails to attach flashlights and lasers.
Features and Specifications:
Manufacturer Number: PM261
Constructed of black polymer
Clamps onto the proprietary rail slots
Adapts it to Picatinny accessory rails