The Holosun 509T and EPS use an enclosed-emitter footprint that relies on Holosun’s adapter-plate system to fit a wide range of optics-ready slides. This makes them flexible, but you generally need the correct Holosun plate for your slide cut.
Also called Holosun 509T footprintEPS
The Holosun 509T footprint at a glance
- Mounting pattern
- Enclosed-emitter footprint, adapter-plate based
- Recoil location
- Uses Holosun’s multi-plate adapter system
- Optics on this footprint
- 2 listed below
Cross-compatibility
The Holosun 509T and full-size EPS use Holosun’s own enclosed footprint, which mounts to other cuts (RMR, etc.) through Holosun’s adapter-plate system rather than sharing a footprint directly.
Recommended optics for the Holosun 509T footprint
| Optic | Brand | Type | |
|---|---|---|---|
| Holosun 509T X2 | Holosun | Pistol | |
| Holosun EPS | Holosun | Pistol |
Always confirm the exact footprint against your slide cut or optic before buying a plate — manufacturers occasionally revise cuts.