Product DescriptionNight Fision's Optic Plate + Backup Sight combo gives Glock MOS shooters a rugged, precision-fit mounting solution for Aimpoint ACRO footprint optics along with co-witness iron sights in one box. The optic plate is machined from premium 17-4 stainless steel, finished with a durable nitride coating, and built to tight tolerances to handle hard recoil. The included backup sights feature a tritium front and a blank, serrated rear for a clean, intuitive sight picture and lower 1/3 co-witness with most compatible red dots. Hardware and an installation tool are included for an easy, secure setup.Product HighlightsComplete combo: ACRO footprint optic plate plus tritium front/blank rear backup sightsDesigned for Glock Full-Size & Compact MOS pistols; excludes Slimline MOS modelsLower 1/3 co-witness with 330-353 sight height for fast transitions to irons17-4 stainless steel plate with nitride coating for strength and corrosion resistanceIncludes extra screws and installation tool; plate thickness approximately 0.2 inSpecsCompatibility: Glock Full-Size & Compact MOS models (e.g., 17, 19, 45, 47); excludes SlimlineOptic Footprint: Aimpoint ACRO (including ACRO P-2 and compatible optics)Co-Witness: Lower 1/3 with 330-353 blade height backup sightsSight Configuration: Tritium-illuminated front, blank serrated rearMaterial: 17-4 stainless steelFinish/Coating: NitridePlate Thickness: ~0.2 inColor: BlackIncluded: Precision optic plate, backup sights, extra screws, installation toolUPC: 810138540954MPN: GLK-OPBS-ACRO-MOS-YGZXBrand: Night FisionDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.