Evolution Gun Works Vortex Razor Sight Mount S&W 52 1.831in Aluminum Matte Black Hardcoat. These Red Dot Sight Mounts by Evolution Gun Works greatly improve the mounting capabilities of your sight since it has a Novak-style cut that increases its strength and durability. The Evolution Gun Works Vortex Red Dot Sight Mounting Rail is a one-piece mount that's constructed aluminimum while the rest of the mount is made from steel. Pick up the Evolution Gun Works Vortex Razor Mount for a trusted mounting solution for your sight. Specifications for Evolution Gun Works Vortex Razor Sight Mount: Manufacturer: Evolution Gun Works Color: Black Fabric/Material: Aluminum Length: 1.831 in Mount Type: Dovetail Package Contents: Evolution Gun Works Vortex Razor Sight Mount Evolution Gun Works 49464: Vortex Razor Sight Mount for S&W 52 1.831 in Aluminum Matte Black Hardcoat