Combination red front and green rear provides eye-catching contrast for quick sight alignment. Fiber optic rods gather available light and draw your eye to the sights to get you on target fast. Machined aluminum body adjusts for windage and elevation. Front and rear set replaces factory sight without alteration or gunsmithing. Remington fits late production rifles and shotguns with adjustable sights. Ruger 10/22 fits factory barrels. Winchester 94 fits models with a front sight ramp. Mfg: Truglo SPECS:Aluminum, black, matte finish. Front and rear set.