Product DescriptionGlowing bright day and night, the Truglo TFX Pro Sight Set delivers reliable performance with advanced Tritium and Fiber-Optic technology. The illuminating elements are fully encased in a virtually indestructible, chemical- and shock-resistant TFX capsule and housed in CNC-machined steel protected by a rust-resistant FORTRESS FINISH. A contrasting orange Focus-Lock ring on the green front sight speeds target acquisition, while the green U-notch rear sight features an aggressively angled front edge for emergency one-handed operation. This set is designed for 1911 pistols using the Novak LoMount cut (.270 front / .450 rear) and utilizes high-quality Swiss tritium for maximum brightness.Product Highlights Green Tritium + Fiber-Optic front sight with orange Focus-Lock ring for fast daytime and nighttime visibility Green Tritium + Fiber-Optic U-notch rear sight with angled front edge for one-handed slide operation Hermetically sealed TFX capsule impervious to oils, chemicals, solvents, and ultrasonic cleaning Durable CNC-machined steel construction with rust-resistant FORTRESS FINISH and snag-free profile Fits 1911 5" Government models with Novak LoMount .270 front / .450 rear cuts; some fitting may be required Specs Brand: Truglo Product Line: TFX Pro Type: Tritium + Fiber-Optic handgun sight set (front and rear) Front Sight: Green with orange outline; Focus-Lock ring Rear Sight: Green U-notch; angled front edge for emergency one-hand operation Compatibility: 1911 5" Government 9mm / .40 S&W with Novak LoMount cut (.270 front / .450 rear) Construction: CNC-machined steel; TFX capsule; uses Swiss tritium Finish: Black FORTRESS FINISH Fiber Diameter: 0.074 in Country of Origin: USA Weight: 0.15 lb UPC: 788130022788 Manufacturer Part Number: TG13NV2PC Disclaimer: 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.