Nighthawk Custom Heinie Straight 8 Tall Rear and Front Triitium Sights for Suppressor Use. This combo is designed to give a full sight picture over any suppressor on the market. The Heinie Ledge Straight Eight sight design utilizes a .156 rear notch width. The Straight Eight tritium makes acquisition of the front sight quick and easy in any lighting conditions. Aligning the front and rear sights makes for quick simple accurate shooting. The rear face of the sight is serrated and the Ledge design aids shooters in racking the slide with a single hand. This rear sight requires machining of the slide for installation. Heinie recommends having a competent pistolsmith install these sights. 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 height of .325 the front sight is perfect for shooters using a full-time suppressor. With a blade width of .118" 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 Heinie Straight 8 Tall Rear and Front Triitium Sights: Manufacturer: Nighthawk Custom Gun Make: 1911 Platform Gun Model: 1911 Color: Black Front Sight Color: Green Rear Sight Color: Tritium Front Material: Tritium Gun Type: Pistol Front Blade Height: 0.325 in Rear Blade Height: 0.325 in Illumination Type: Tritium Illumination Color: Green Mount Type: Dovetail Package Contents: Nighthawk Custom Heinie Straight 8 Tall Rear and Front Triitium Sights Nighthawk Custom SI0050: Heinie Straight 8 Tall Rear and Front Triitium Sights for Suppressor Use