Arisaka Defense 45° Offset Mount

The Arisaka Defense 45-Degree Offset Mount is a modular mounting solution that allows you to position red dot sights at 35 or 45-degree offset angles for use alongside magnified primary optics. This setup has become increasingly popular among precision shooters and tactical users who want the speed of a red dot for close engagements while maintaining the reach of an LPVO or magnified scope. The offset angle puts the red dot in perfect position for a slight rifle cant without removing your cheek weld.

What makes this mount unique is its reversible design. The mount can be set to either 35 or 45 degrees simply by reversing the stem between the optic plate and base during assembly—no additional parts needed. This flexibility allows you to dial in the exact angle that works with your shooting style and primary optic setup. The modular optic plates accommodate virtually any micro red dot footprint, from RMR to Aimpoint Micro to DeltaPoint Pro.

Machined from 7075-T651 and 6061-T651 aluminum with MIL-A-8625 Type III hard coat anodizing, the mount weighs just 1.9-2.2 ounces depending on plate height. The base occupies only three Picatinny slots (1.0 inch) and sits just 0.180 inches above the rail surface, keeping everything low-profile. Both standard (1.5-1.8") and tall (1.9-2.2") plate heights are available to clear various primary optic tube sizes. The mount is fully ambidextrous—base and plates can be reversed for left or right-side mounting.