The Ameriglo Black .554" H .150" Rear Sight is a specialty rear sight designed for Glock pistols. Featuring a .554-inch height and a .150-inch notch, this rear sight provides an optimal sight picture for accurate shooting. The black finish ensures a sleek and professional appearance, while the durable construction guarantees long-lasting performance. Ideal for both tactical and competitive applications, the Ameriglo Black Rear Sight enhances your Glock's accuracy and reliability. Ameriglo Black .554" H .150" Rear Sight for Glock GL-404-554