Wilson Combat Adjustable Sight Set Features The Wilson Combat Adjustable Sight Set is machined from hardened chromoly steel and finished in black oxide for a durable corrosion-resistant rear sight. The partially serrated blade reduces glare under bright conditions while the U-notch sight notch measures .150 inches wide and .099 inches deep for a precise repeatable sight picture. Full windage and elevation adjustment lets shooters dial in point of impact for different loads distances and shooting conditions without sending the gun back to the factory. This level of adjustability makes the sight a practical upgrade for both range work and field use. Designed to dovetail directly into the Ruger GP100 and New Model Blackhawk series only this sight set is a simple direct installation with no modification required. The rugged steel construction holds up to heavy recoil from magnum revolver cartridges over repeated use. For GP100 and New Model Blackhawk owners this sight set is a practical way to enhance accuracy versatility and confidence on the range. It turns a great factory revolver into an even more capable shooting platform. Wilson Combat Adjustable Sight Set Specifications Manufacturer: Wilson Combat Model: Adjustable Sight Set Type: Rear Sight Material: Chromoly Steel Finish: Black Oxide Blade Type: Partially Serrated U-Notch Sight Notch Width: .150 Sight Notch Depth: .099 Compatible Hosts: Ruger GP100 New Model Blackhawk Color: Black Available At: GrabAGun