Introducing the C&H Precision Weapons CHP Adapter Plate, Converts the FN 509 Optic Ready to the Trijicon RMR, Holosun 407C/507C/508C, Anodized Finish, Black, Includes Mounting Hardware FN509-RSH by C&H Precision Weapons. This remarkable product allows you to seamlessly mount a TRIJ RMR/SRO or HOL 407C/507C optic onto your FN 509 V4. Specifically designed for perfect compatibility, this mount offers enhanced precision and accuracy. Manufactured with meticulous attention to detail, this product guarantees long-lasting durability. Ideal for professionals and enthusiasts alike, the C&H Precision Weapons CHP Adapter Plate, Converts the FN 509 Optic Ready to the Trijicon RMR, Holosun 407C/507C/508C, Anodized Finish, Black, Includes Mounting Hardware FN509-RSH ensures an optimal shooting experience. Purchase this exceptional accessory in the 'Shop All' category today to transform your FN 509 V4 into a superior firearm.