Nighthawk Custom 1911 Sight Kit Defensive Fixed Rear Two-Dot Tritium Tritium Front .180in. The defensive fixed rear sight features two tritium inserts enhanced with white outlines for improved sight alignment in low-light or high stress scenarios. The rear face of the sight is serrated to eliminate glare while the rest of the sight boasts soft smooth edges to provide for snag-free carry with a sleek profile. This Nighthawk Custom tritium front night sight uses a tritium insert to provide a bright white dot during the day before transitioning to a glowing green dot at night making this an excellent option for everyday carry. Day or night indoor or outdoor your eyes will be able to quickly acquire the front sight allowing you to get on target faster. With a blade width of .120" this sight is the perfect solution for improved sight acquisition and alignment in high-stress scenarios. Some fitting may be required Specifications for Nighthawk Custom 1911 Sight Kit: Manufacturer: Nighthawk Custom Front Sight Color: Green Rear Sight Color: Green w/White Outline Front Material: Tritium Rear Blade Height: 0.325 in Illumination Type: Tritium Illumination Color: Green Mount Type: Dovetail Package Contents: Nighthawk Custom 1911 Sight Kit Nighthawk Custom SI0017-.180: 1911 Sight Kit Defensive Fixed Rear Two-Dot Tritium Tritium Front .180in