To consider a gun to be great, it must be reliable day and night. Providing a consistent green glow, our tritium night sights ensure accuracy in low light and even complete darkness. In daylight, a large white dot and rounded notch design increase speed and accuracy. Features: Front sight ring for faster sight picture acquisition Quick and accurate U-notch design Green tritium illumination front and rear CNC machined stainless steel construction Snag resistant design/fits most standard holsters Glows bright-no batteries or light exposure required Individually hand inspected for accuracy 12 years limited warranty