Crimson Trace CTS-25 Black 4 MOA Red Dot Reticle Includes Riser. Featuring a 4.0 MOA round aiming dot. Installed in seconds by utilizing an included riser for rail mounting the red dot attaches effortlessly to M1913 Picatinny rail sections. Includes removable riser. Specifications for Crimson Trace 1244743 CTS-25 Black 4 MOA Red Dot Reticle Includes Riser: Manufacturer: Crimson Trace Reticle: Red Dot Additional Features: Impact/Shock/Waterproof Adjustability: Adjustable Crimson Trace 1244743 CTS-25 Black 4 MOA Red Dot Reticle Includes Riser