The Ruger® MKII/III® - Beveled Blade is for the shooter who wants to explore the maximum inherent accuracy in his Ruger® .22 auto. Very distinctive clicks for both elevation and windage adjustments. Made with the same attention to detail as our 1911 sights. Large 45-degree bevels and fine serrations give a superior sight picture over the factory adjustable sight. *REQUIRES TALLER FRONT SIGHT need to fill in!!!! Specification: