Evolution Gun Works Vortex Viper/Venom Sight Mount Burris FastFire and Docter Smith & Wesson M&P Black 49308. The dovetail has a progressive taper to allow for easier install. Simply remove the rear sight on your gun and replace it with one of these...

In stock
ShipAmount $0.00
RevType 2
Manufacturer Evolution Gun Works
Sku 49308
Identity 10611747062