Description The Arisaka Off-Set Optics Plate 13 is designed for the Holosun 509T and HE509-RD, providing a robust and reliable mounting solution. CNC machined from high-quality 6061-T651 aluminum, this plate features a MIL-A-8625 Type III hard coat anodized finish, ensuring durability and resistance to wear. Perfect for enhancing your shooting experience, the standard height design offers optimal sight alignment for precision aiming. Upgrade your setup with this essential accessory from Arisaka Defense.