The Meprolight Hyper-Bright Tritium Night Sights deliver industry-leading visibility with self-illuminated tritium technology designed specifically for Sig P320 and P365 pistols. These fixed sights feature an extremely bright colored front sight ring in orange or green for superior target acquisition in any lighting condition.Meprolight Hyper-Bright Tritium Night SightsCompatible with Sig 9MM/.357SIG P320/P365 pistolsSelf-illuminated tritium - no batteries or switches requiredBright orange/green contrasting front sight ringFast target acquisition in all lighting conditionsMatte finish for reduced glareHighly durable construction for long-term reliabilityPerfect for tactical applications self-defense and competitive shooting where rapid instinctive aiming is critical. Always ready for action with tritium-powered illumination that works from broad daylight to complete darkness.