TruGlo Tritium Pro Handgun Sight Set for 1911 270/450 White Focus Lock Ring TG. When TFX PRO sights immediately took off and gained critical acclaim Truglo noticed that the world of TRITIUM night sights needed a similar upgrade. Starting with the brightness and durability of our original TRITIUM night sights they added all of their PRO level features to give you the advantage when you need it the most. Fits Novak LoMount cut .270 Front / .450 Rear (1911 5" Government 9mm / .40 S&W). Novak LoMount cut replacement sights are designed for 1911-style handguns with existing fixed Novak LoMount dovetail cut slides however some fitting may be required. Installation by a competent gunsmith is recommended. Front sight FOCUS-LOCK ring for even faster focus Quick and accurate U-notch Design Angled rear sight edge for emergency one-hand operation Assembled in USA with quality Swiss Tritium for maximum brightness Unmatched visibility in low-light shooting conditions or complete darkness Utilizes quality Swiss tritium for maximum brightness Glows-in-the-dark - no batteries or light exposure required FORTRESS FINISH provides a permanent protective coating for maximum protection Snag resistant design / fits standard holsters Specifications for TruGlo Tritium Pro Handgun Sight Set for 1911 270/450: Manufacturer: TruGlo Gun Model: 1911 Additional Features: 1911 5in Government 9mm / .40 S&W Country of Origin: USA Features of TruGlo Tritium Pro Handgun Sight Set for 1911 270/450: Unmatched visibility in low-light shooting conditions or complete darkness Angled rear sight edge for emergency one-hand operation Glows-in-the dark - no batteries or light exposure required Assembled in the USA with quality Swiss Tritium for maximum brightness Front sight Focus-Lock for fast and accurate shooting Fortress Finish provides a permanent protective coating for maximum protection Fits standard holsters Package Contents: TruGlo TRIT PRO 1911 270/450 Set Wht TG231N2W The TruGlo TRIT PRO 1911 270/450 Set Wht TG231N2W is a quality addition to the TruGlo lineup. For more great deals on Tritium Pistol Sights by TruGlo please browse our TruGlo Gun Parts page. TruGlo TG-TG231N2W: Tritium Pro Handgun Sight Set for 1911 270/450 White Focus Lock Ring