Arisaka Defense Offset Plate for Holosun 509T, 1.9-2.2-Inch

Arisaka Defense’s Offset Plate for the Holosun 509T (part no. OOM-P14) is machined to that optic’s exact footprint, setting it at the tall 1.9-to-2.2-inch height range for a lower-third co-witness with AR-pattern iron sights. Arisaka Defense builds its mount system with swappable, optic-specific plates so 509T owners get a precise, secure fit rather than a universal adapter.

Key Specifications

• It’s built specifically for the Holosun 509T footprint.
• The plate sets the optic at the tall height range of 1.9 to 2.2 inches for co-witness with iron sights.
• It’s cataloged as Plate #14 in Arisaka’s modular optic mounting system.

Frequently Asked Questions

What optic does this plate fit? The Holosun 509T footprint specifically.

Why choose the 1.9-2.2-inch height? It’s the tall-height range used for a lower-third co-witness with standard AR-pattern iron sights.

Buy the Arisaka Defense Offset Plate for Holosun 509T, 1.9-2.2-Inch

Order the Arisaka Defense Offset Plate for the Holosun 509T from our Lubbock, Texas gun shop for fast, insured shipping. It’s a purpose-built solution for mounting the 509T at the correct co-witness height. Browse more from Arisaka Defense or see our full red dot mounts selection.