TANDEMKROSS Ruger Mark Series Eagle Eye Fiber Optic Pistol Sight Set Ruger Mark II and Ruger Mark III and Ruger Mark IV Black. Designed with speed and simplicity in mind the sights raise your sight picture for faster acquisition while maintaining a sleek profile when paired with an optic or solo Whether youre building a competition-ready rimfire pistol tactical plinker or something else entirely rapid target acquisition matters. The bright fiber and tall sight plane let you find your target in any situation while giving you peace of mind in case your electronic optic fails. TANDEMKROSSs unique mounting solution for the rear sight installs quickly and securely. A dovetail insert and screw firmly fasten the rear sight to the receiver with no permanent modification required. This unique installation method smoothly blends the rear sight into the outside diameter of the receiver. Fiber colors are also user-changeable in seconds allowing you to modify the sights to your personal preference. Bright simple to install and made for the Mark Series: get your Eagle Eye Sight Set today. The Eagle Eye Fiber Optic Sight Set for Ruger Mark Series is compatible with both standard and 22/45 variants of Ruger Mark II III and IV pistols with LITE or bull barrels with adjustable factory sights. COMPATIBILITY NOTE: NOT compatible with fixed sight models tapered barrel models models without factory iron sights or models with vent ribs/direct optic mounts (such as Ruger model number 43949): Cowitness not achievable with C-More Railway or C-More Slideride optic on Shadow Mount V2. An approximate lower-third cowitness achievable with all other compatible footprints on both V2 and V3 Shadow Mounts. IMPORTANT: Gunsmith assistance strongly recommended for removing factory rear sight; Slight misalignment between the front sight mounting hole optic mount holes and rear sight dovetail typical on some receivers. Some of these elements may look slightly tilted relative to the others. Any possible misalignment will be emphasized with taller sights. The rear sight features unique rotational adjustment. This may not be enough to fully compensate for misalignment in worst case scenarios. Specifications for TANDEMKROSS Ruger Mark Series Eagle Eye Fiber Optic Pistol Sight Set: Manufacturer: TANDEMKROSS Gun Make: Ruger Gun Model: Ruger Mark II 22/45 Ruger Mark III 22/45 Ruger Mark IV 22/45 Ruger Mark IV Ruger Mark III Ruger Mark II Color: Black Gun Type: Pistol Front Blade Height: 0.666 in Rear Blade Height: 0.731 in Illumination Type: Fiber Optics Sight Position: Front and Rear Features of TANDEMKROSS Ruger Mark Series Eagle Eye Fiber Optic Pistol Sight Set Approximate lower-third co-witness with TANDEMKROSS Shadow Mount V3 Bright fiber optics and a tall sight plane for fast target acquisition Fully adjustable rear sight and quick-change front light pipe Sights are protected against mechanical failure for life by TANDEMKROSSs Lifetime Guarantee. Fiber optic light pipes are considered wearable parts and are guaranteed for the first six months after the time of purchase Package Contents: TANDEMKROSS Ruger Mark Series Eagle Eye Fiber Optic Pistol Sight Set What firearm models does the manufacturer say TANDEMKROSS Ruger Mark Series Eagle Eye Fiber Optic Pistol Sight Set is compatible with? The manufacturer suggests that TANDEMKROSS Ruger Mark Series Eagle Eye Fiber Optic Pistol Sight Set is compatible with Ruger Mark II Ruger Mark III Ruger Mark IV Ruger Mark IV 22/45 Ruger Mark III 22/45 Ruger Mark II 22/45TANDEMKROSS TK26N0558BLK1: Ruger Mark Series Eagle Eye Fiber Optic Pistol Sight Set Ruger Mark II and Ruger Mark III and Ruger Mark IV Black