When shooting rimfire competition

With multiple functions in such a small tool

Pretravel and overtravel adjustments that can be set to your preference

Over the years

Fiberglaskorn für Ruger Mark IV 22/45 Topseller When shooting rimfire competitionAt a glance: Features highly visible fiber optic light tube for quick target acquisition Made of Aluminum for long lasting durability Includes red optic tube for customization Upgrade your favorite Ruger Mark Series pistol with the new TANDEMKROSS Fiber Optic Front Sight! The upgraded sight is designed to collect surrounding light rays to offer you superb visibility, even in dark conditions. This drop in replacement unit will greatly increase your