Product DescriptionMeprolight Tru-Dot Self-Illuminated Night Sights deliver reliable, battery-free visibility for fast target acquisition in low light and darkness. This fixed front and rear set uses tritium lamps in a classic three-dot configuration that appears identical in daylight and at night, boosting confidence and hit probability. Engineered for the Heckler & Koch USP Compact platform, this Green/Green set installs easily and provides durable performance with steel construction. Compatible with USP Compact models in 9mm, .40 S&W, and .45 ACP; excludes Expert and Tactical variants. HK factory part number 701973.Product HighlightsSelf-illuminated tritium Green/Green front and rear dots for 24/7 visibilityFixed sight set designed for rapid, instinctive aiming with a consistent three-dot pictureRugged steel construction with maintenance-free operationFits H&K USP Compact in 9mm, .40 S&W, and .45 ACP; not for Expert/Tactical modelsTrusted by military and law enforcement; backed by Meprolight's illumination warrantySpecsProduct Type: Tritium night sight set (front and rear)Series/Model: Tru-DotFit: Heckler & Koch USP Compact (9mm, .40 S&W, .45 ACP)Configuration: Fixed; Green front and Green rearMaterial: Steel with tritium lampsHK Part Number: 701973UPC: 840103136394Manufacturer Part Number: 0115173101Brand Name: MeprolightDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.