The Arisaka Defense Offset Optic Plate 13 is a precision-machined mounting solution designed specifically for the Holosun 509T enclosed reflex sight.
- Type: Offset optic mounting plate
- Compatible Optic: Holosun 509T enclosed reflex sight
- Mount Compatibility: Arisaka Offset Scout Mount (OSM) and similar offset mounts
- Material: 6061-T6 aluminum with Type III hard-anodized finish
- Offset Angle: 35 degrees
- Includes: Mounting hardware for optic attachment
- Use: Secondary offset red dot mounting for rapid target transitions











