XS SIGHT SYSTEMS OPTIC MOUNT PLATE ACRO FOR GLOCK 17,19,22-24,26,27,31-36,38 Designed for strength and reliability, XS Optic Plates for Glock MOS pistols are available for both RMR and ACRO footprint optics, providing a secure and seamless mounting solution. 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. FEATURES 30% more thread engagement - helps Mfg: Xs Sight Systems