Arisaka Defense Optic Plate, For Docter/Vortex, Fits Arisaka Offset Optic Mount, Anodized Finish, Black OOM-P1 The Arisaka Offset Optic Mount Plate is designed for use with the base and is compatible with the Vortex Venom or other similar red dots. The optic plates are machined from 6061-T6 aluminum and type III hardcoat anodized.