Arisaka Offset Optic Mount - Best for ACOG & LPVO

Published on April 9, 2026
Duration: 9:52

This guide details the installation of the Arisaka offset optic mount, highlighting its versatility for ACOGs and LPVOs. It covers selecting the correct angle (35° or 45°), plate height, and proper torque specifications for screws. The guide also addresses specific considerations for mounting optics like the Aimpoint T2, emphasizing the importance of thread locker usage and torque limits to prevent damage to Helicoil threads.

Quick Summary

The Arisaka offset optic mount offers versatile 35° and 45° mounting angles for secondary optics like ACOGs and LPVOs. It features adjustable plates and heights for consistent cheek weld and smooth transitions. Torque specifications are 30 in-lbs for mount screws and 50 in-lbs for the rail clamp. Crucially, avoid thread locker on Aimpoint T2 optic screws due to delicate Helicoil threads.

Chapters

  1. 00:00Introduction and Overview
  2. 00:09Why Arisaka Offset Mount is Best
  3. 00:1235° vs 45° Mounting Positions
  4. 00:26Plate and Height Options
  5. 00:44Weight and Specifications
  6. 00:58Price and Value
  7. 01:09Included Components
  8. 01:26Assembling the Degree Base
  9. 01:34Thread Locker Application
  10. 01:52Installing Degree to Base Screws
  11. 02:06Attaching the Standard Plate
  12. 02:22Mounting the Optic (Aimpoint T2 Example)
  13. 03:17Removing the Mount from Rail
  14. 03:4635° Configuration: Battery Access Issues
  15. 04:4535° Standard Plate: Aimpoint T2 Glass Obstruction
  16. 05:3545° Configuration: Standard Plate
  17. 05:54Cheek Weld and Transition
  18. 06:03Lens Cap Considerations
  19. 06:21Fiber Optic ACOG Compatibility
  20. 06:3945° Configuration: Tall Plate
  21. 07:26Tall Mount in 35° Configuration
  22. 07:40Left Side Mounting
  23. 07:56Elbow Flare and Shoulder Movement
  24. 08:41Rifle Rotation Techniques
  25. 08:52Taller Height Adjustment
  26. 08:58Top Mounted vs. Offset Preference
  27. 09:36Clearance for LED vs. Fiber Optics
  28. 09:4245° for Large Turrets
  29. 09:47Call to Action

Frequently Asked Questions

What are the advantages of the Arisaka offset optic mount?

The Arisaka offset optic mount offers versatile 35° and 45° mounting angles, allowing for optimal positioning of secondary optics like ACOGs and LPVOs. It provides options for different plates and heights to match primary optic mounts, ensuring a consistent cheek weld and smooth transitions.

What are the torque specifications for the Arisaka offset optic mount?

The degree-to-base screws and plate-to-mount screws should be torqued to 30 in-lbs. The rail clamp screw requires a torque of 50 in-lbs. For optics like the Aimpoint T2 with Helicoil threads, a torque of 10-12 in-lbs is recommended when tightening by hand.

Should I use thread locker with the Arisaka offset optic mount?

Yes, use blue medium-strength thread locker on the screws securing the mount to the rail and the plate to the mount base. However, do NOT use thread locker on optic screws when mounting an Aimpoint T2, as its Helicoil threads are delicate and can strip easily.

What is the difference between the 35° and 45° mounting angles on the Arisaka offset mount?

The 45° angle provides more clearance for wider optic turrets and is generally better for larger scopes. The 35° angle is suitable for slimmer optics and smaller red dots. Both angles maintain bore alignment for accurate zeroing.

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