The XS Sights GLOM001SM1ACRO is a precision-engineered optic mounting plate designed for Glock MOS pistols with ACRO footprint optics. Constructed from durable black nitride steel for maximum strength and corrosion resistance.XS Sights Glock MOS Optic Plate (Model: GLOM001SM1ACRO)ACRO footprint compatibility for popular red dot sightsBlack nitride steel construction for durabilityCompatible with Glock models: 17 19 22-24 26 27 31-36 38Precision-machined for secure optic mountingEssential for mounting ACRO footprint red dot sights on Glock MOS pistols providing a reliable platform for enhanced accuracy and target acquisition in tactical competition or personal defense applications.