The Night Fision Optic Plate + Backup Sight Combo delivers premium co-witnessing sights paired with a precision optic mounting plate for Glock MOS pistols. This complete system provides shooters with both primary optic mounting and reliable backup iron sights in one package.Night Fision Optic Plate + Backup Sight ComboCompatible with Glock MOS models including 17 19 45 47 (excludes Slimline models)Fits Holosun EPS and other optics with compatible mounting footprintCo-witnessing sights work with most compatible opticsMachined from premium 17-4 stainless steel with nitride coatingIncludes extra screws and installation tool for easy setupBuilt to withstand harsh recoil with precision tolerances this combo offers durability accuracy and value for shooters requiring both optic mounting and backup sight solutions for their Glock MOS pistol.