Kensight DAS 1911 Defense Adjustable Rear Sight Tritium Insert Night Sight w/ Recessed Blade Black. This rear sight from Kensight fits certain model Springfield Armory Colt Wilson Combat STI International Les Baer Custom Rock River Arms Dan Wesson 1911s etc. The Kensight DAS 1911 Defense Elevation Adjustable Rear Sight Tritium Insert Steel Night Sight w/ Recessed Blade comes with two Trijicon 0.076" tritium lamps and is elevation adjustable to your liking. Specifications for Kensight DAS 1911 Defense Adjustable Rear Sight Tritium Insert Night Sight w/ Recessed Blade: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Front Blade Height: 0.2 in Illumination Type: Tritium Package Contents: Kensight DAS 1911 Defense Adjustable Rear Sight Tritium Insert Night Sight w/ Recessed Blade Kensight 860-626: DAS 1911 Defense Adjustable Rear Sight Tritium Insert Night Sight w/ Recessed Blade Black