The Night Fision Optic Plate + Backup Sight Combo provides a complete mounting solution for Aimpoint ACRO red dot sights on Glock MOS pistols. Crafted from premium 17-4 stainless steel with nitride coating for maximum durability and precision.Night Fision Optic Plate + Backup Sight ComboCompatible with Glock MOS models (17 19 45 47 etc. - excludes Slimline models)Fits Aimpoint ACRO footprint opticsCo-witnessing backup sights includedMachined from 17-4 stainless steel with nitride coatingIncludes extra screws and installation toolBuilt to tightest tolerances for secure accurate fitEngineered to withstand harsh recoil while providing shooters with both primary optic mounting and reliable backup iron sights in one comprehensive package.