Holosun 509T X2 footprint and mounting: an enclosed-emitter reflex cut to the Holosun 509T pattern. Which adapter plate or mount fits it, and the optics it shares a footprint with.
Updated 05 September 2026.
Holosun 509T X2: footprint and what mount fits it
The Holosun 509T X2 is an enclosed-emitter reflex on the Holosun 509T footprint. It mounts to pistol slide cut or an adapter plate, so buy the plate or mount cut for the Holosun 509T pattern.
Footprint plate, not to scale
DesignationHolosun 509T
Red-dot footprintMake
Holosun
Model
509T X2
Footprint
Holosun 509T
Optic type
enclosed-emitter reflex
Mounts to
pistol slide cut or an adapter plate
Shares its footprint with
Plates and mounts for the Holosun 509T X2
Shop Holosun 509T adapter plate on AmazonaffiliateFind Holosun 509T adapter plate on eBayaffiliateShop Holosun 509T Picatinny mount on AmazonaffiliateFind Holosun 509T Picatinny mount on eBayaffiliate
Mount this optic
- ›Holosun 509T footprintthe mounting pattern
- ›How this footprint reaches a rail or slidethe fit
- ›Red-dot footprints explainedmatch a dot to a cut
Questions and answers
What is the make of the Holosun 509T X2?
Holosun
What is the model of the Holosun 509T X2?
509T X2
What is the footprint of the Holosun 509T X2?
Holosun 509T
What is the optic type of the Holosun 509T X2?
enclosed-emitter reflex