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Arisaka Defense Offset Optic Plate 13 Holosun 509T Black Aluminum
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Fits Holosun 509T, HE509-RD
For use with Arisaka Offset Optic Mount
Standard Height
Specifications
Brand
Model
Offset Optic Plate 13
MPN
OOM-P13
UPC
601557939869
MSRP
$30
Finish
Anodized
Fits
Holosun 509T red dot on 1.5 to 1.8 inch scope mount
Color
Black
Material
6061-T6 Aluminum
Mount Type
Offset optic plate
Description
The Arisaka Defense Offset Optic Plate 13 is a black anodized 6061-T6 aluminum offset mount that adds a second optic position to a long gun. It is designed to hold a Holosun 509T red dot sight alongside a scope on a 1.5 to 1.8 inch scope mount, letting the shooter keep a scope zeroed for long range and a red dot for close-range work.
The plate is an offset optic plate mounted in the lower 1/3 configuration, with an anodized black finish. The raw retailer text references red dot placement at 35 or 45 degrees, but the mounting angle for this specific model is not confirmed in the product facts, so that detail is not included here. Mounting hardware is included, and the plate is supplied without an optic.
- Brand: Arisaka Defense
- Model: Offset Optic Plate 13 Lower 1/3
- Compatible optic: Holosun 509T red dot
- Mount fit: 1.5 to 1.8 inch scope mount
- Material: 6061-T6 aluminum
- Finish: Anodized black







