Kensight Rollo Tritium Pistol Night Sight w/ Anti-Snag Blade 1911 Rear Black. This rear sight from Kensight can be mounted on the 1911 slide in the old National Match style that was popular in the early 1960s or be mounted slightly forward at the rear edge of the slide using the Caspian Arms Rollo cut. The Kensight Rollo 1911 Steel Adjustable Rear Sight w/ Anti-Snag Blade is easy to carry and won't cause any snags. Specifications for Kensight Rollo Pistol Sight w/ Anti-Snag Blade: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Rear Sight Color: Tritium Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Illumination Type: Tritium Mount Type: Dovetail Package Contents: Kensight Rollo Pistol Sight w/ Anti-Snag Blade Kensight 860098: Rollo Tritium Pistol Night Sight w/ Anti-Snag Blade 1911 Rear Black