Meprolight H&K VP9 R4E SUP Night Sight Green/Green Fixed Set ML12228SUP. Meprolight created these Tritium Pistol Sights with tritium which means that they will shine bright in any lighting condition without the need for a battery or external power source. Plus absolutely zero maintenance is required to keep these sights up and running. These Meprolight H&K VP9 R4E Illuminated Sights are crafted with additional vertical and horizontal lines to provide the most accurate aiming point possible. Light up the night and quickly acquire your weapon sights when you throw these Meprolight H&K VP9 R4E SUP Tritium Night Sights on your suppressed pistol. Specifications for Meprolight H&K VP9 R4E SUP Night Sight: Manufacturer: Meprolight Gun Model: Heckler & Koch VP9 Front Sight Color: Green Rear Sight Color: Green Height: 0.8 in Features of Meprolight H and K VP9 R4E SUP Night Sight MR-AP-HNKV9S: Designed by decorated Special Forces veterans. Additional vertical and horizontal lines for optimum sight alignment. Tritium self-illumination for low-light shooting conditions. Used by Military & Law Enforcement. Withstands recoil. Resists solvents and harsh field conditions. Package Contents: Meprolight H&K VP9 R4E SUP Night Sight Meprolight 122283191: H&K VP9 R4E SUP Night Sight Green/Green Fixed Set ML12228SUP