Arisaka Defense Offset Optic Mount Base for Micro Red Dot Sights


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Arisaka Defense Offset Optic Plate for Various Red Dot Sights

Arisaka Defense Offset Optic Plate for AT3 ARO, Docter, and Vortex Red Dots


AT3 ARO™ Micro Red Dot Reflex Sight with Optional Riser Mount - Low Mount


Arisaka Defense Offset Optic Mount Base for Micro Red Dot Sights

The Arisaka Offset Optic Mount is a versatile and modular mounting solution that offers a range of options for users to select a 35 or 45 degree offset position for their red dot sight without requiring any additional components. This innovative mount design provides a number of advantages over traditional mounting solutions. For example, the 35 degree offset position brings the red dot sight up closer to slimmer, smaller scopes, while the 45 degree position provides additional clearance around wider turrets. As a result, users can optimize their red dot sight placement based on their specific needs and preferences.

The mount’s unique geometry ensures that the optic is correctly aligned vertically over the bore, and maintains a consistent height at both 35 and 45 degree offset positions. This is accomplished through the use of a reversible stem between the optic plate and base during assembly. In addition, two heights of plates are offered for added flexibility, with standard (1.5″ to 1.8″) and tall (1.9″ to 2.2″) options available. This allows users to choose the plate height that corresponds to their primary optic height, providing a consistent cheek weld and seamless transition between their primary optic and offset red dot.

A reversible stem enables left-handed shooters to mount their red dot on the right side of the firearm. The mount is also designed to support a wide selection of red dot sights with interchangeable optic plates, further increasing its versatility and compatibility with a range of firearms.

Its modular design, adjustable offset positions, and ambidextrous capabilities make it an ideal choice for a wide range of shooting applications and environments. Plates for your specific optic are purchased separately here.

Note: This is only the base for the Offset Optic Mount, plates must be purchased separately for the mount to function as intended

Offset Optic Mount™ - Arisaka


  • Brand: Arisaka Defense
  • Model: Offset Optic Mount Base
  • Fit: Picatinny
  • Material: Aluminum
  • Finish: Anodized
  • Weight: 1.9 oz including standard optic plate or 2.2 oz including tall optic plate
  • Dimensions:
    • Length: 1.0″ for the base, which occupies three Picatinny slots (twin recoil lugs and clamping screw)
    • Height: The base sits 0.180″ above the surface of the Picatinny rail
  • Color: Black
  • Made in the USA

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Customer satisfaction is the cornerstone of Arisaka. They want you to be 100% satisfied and feel secure about your purchase from Arisaka, so their warranty and return policies are simple and unrestricted.

All Arisaka products include a lifetime warranty. If a part is broken, smashed, destroyed, or defective, we will replace it. If for some reason we no longer make that exact part, they will contact you and let you select something comparable. They also do not care who originally purchased the part. If it’s in your hands, then it’s your warranty.

Please email or use their contact form to let them know that you need an RMA for warranty work.