ProMag Polymer Rail Adapter for Smith & Wesson Sigma Series Pistols

Compatible with Smith & WessonA(R) Sigma Series pistol accessory rails, the ProMagA(R) Polymer Rail Adapter is a drop-in rail upgrade designed to accept a variety of Picatinny rail-mounted accessories that don't fit the standard accessory rail. Impact-resistant polymer construction offers exceptional strength and durability in a lightweight package, while the convenient clamping design allows for speedy installation and removal without sacrificing stability. Fits Sigma Series pistols ONLY. Made in USA.