The Ameriglo Serrated Black .248" H .150" Notch Pro Rear Sight is designed specifically for Glock 42, 43, 43X, and 48 models. Featuring a serrated black finish, this rear sight reduces glare and enhances sight picture clarity. The .248-inch height and .150-inch notch provide a precise aiming point, making it ideal for both self-defense and competitive shooting. Crafted from high-quality materials, this rear sight ensures durability and reliable performance, making it a valuable upgrade for your Glock. Ameriglo Serrated Black .248" H .150" Notch Pro Rear Sight for Glock 42,43,43X,48 GL-430BR