LaserMax Picatinny Rail Adapter for Smith & Wesson Sigma Series, Converts Sigma's Proprietary Rail to Picatinny.

The LaserMax SW Sigma Series Adapter, as an accessory to the Uni-Max, gives you a tactical edge like never before. This useful Sigma rail adapter allows attaching the LaserMax Uni Max to SW Sigma. Simply mount the Uni Max Sigma adapter and attach your Uni Max laser sight.