XS Sight Systems Optic Mount Glock MOS Adapter ACRO Black. Each plate features precision CNC machining and a durable BlackNitride finish for enhanced corrosion resistance ensuring long-lasting performance. Engineered for optimal optic alignment these plates are compatible with the most common red dots on the market offering a rock-solid foundation for law enforcement self-defense and competition use. Specifications for XS Sight Systems Optic Mount Glock MOS Adapter Plate: Manufacturer: XS Sight Systems Optic Cut: Glock MOS Fabric/Material: Stainless Steel Color: Black Gun Model: Glock 19 Finish: Nitride Gun Make: Glock Gun Type: Pistol Features of XS Sight Systems Optic Mount Glock MOS Adapter Plate Precision CNC machined steel 30percent more thread engagement BlackNitride finish for corrosion resistance Easy DIY installation Package Contents: XS Sight Systems Optic Mount Glock MOS Adapter Plate Mount Hardware What firearm models does the manufacturer say XS Sight Systems Optic Mount Glock MOS Adapter Plate is compatible with? The manufacturer suggests that XS Sight Systems Optic Mount Glock MOS Adapter Plate is compatible with Glock 19XS Sight Systems GL-OM001-SM-1ACRO: Optic Mount Glock MOS Adapter ACRO Black