The Ameriglo Green Tritium 2-Dot with Black Outlines .300" H Square Notch Serrated Rear Sight is designed to fit the Springfield Hellcat OSP, providing enhanced visibility and accuracy. Featuring green tritium inserts with black outlines, this rear sight offers excellent visibility in low-light conditions. The .300-inch height and square notch provide a clear and precise sight picture, making it ideal for self-defense and tactical applications. Crafted from durable materials, the Ameriglo Tritium Rear Sight ensures reliable performance and long-lasting durability.