LPA TR Fully Adjustable White Dot Rear Sight For S&W Cal. 9 40 3rd Gen Black. Machined from solid steel using state-of-the-art CNC milling. Low Profile. Hardened micrometric click adjustment screws for windage and elevation. Specifications for LPA TR Fully Adjustable Rear Sight: Manufacturer: LPA Color: Black Fabric/Material: Solid Steel Gun Type: Pistol Attachment Type: Low Profile Additional Features: Fully adjustable Included Accessories: Additional wrenches are included Package Contents: LPA TR Fully Adjustable Rear Sight What firearm models does the manufacturer say LPA TR Fully Adjustable Rear Sight is compatible with? The manufacturer suggests that LPA TR Fully Adjustable Rear Sight is compatible with Smith & Wesson Model 645 Smith & Wesson Model 745 Springfield Armory P9LPA TR66SW30: TR Fully Adjustable White Dot Rear Sight For S&W Cal. 9 40 (3rd Gen) Black