Kensight DAS 1911 Defense Adjustable Rear Sight White Dot with Serrated Blade Black. This rear sight manufactured by the experts at Kensight is Wire-EDM machined from 4140 chrome-moly steel that is then heat treated to a hardness of RC 38-40 ensuring tight part-to-part fit and long-lasting durability. The Kensight DAS 1911 Defense Adjustable Steel Rear Sight White Dot w/ Serrated Blade features click-adjustments that are positive and precise allowing for reliable and consistent point of impact changes. With its partially serrated slanted blade the Kensight DAS 1911 Defense Adjustable Low-profile Rear Sight White Dot w/ Serrated Blade gives you reduced glare and the white dot helps to funnel the shooter's attention toward the front sight post to make shooting easier. Specifications for Kensight DAS 1911 Defense Adjustable Rear Sight White Dot with Serrated Blade: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Illumination Color: White Package Contents: Kensight DAS 1911 Defense Adjustable Rear Sight White Dot with Serrated Blade What firearm models does the manufacturer say Kensight DAS 1911 Defense Adjustable Rear Sight White Dot with Serrated Blade is compatible with? The manufacturer suggests that Kensight DAS 1911 Defense Adjustable Rear Sight White Dot with Serrated Blade is compatible with 1911Kensight 860-678: DAS 1911 Defense Adjustable Rear Sight White Dot with Serrated Blade Black