Holosun 507Comp footprint and mounting: an open-emitter reflex cut to the Trijicon RMR / Holosun C pattern. Which adapter plate or mount fits it, and the optics it shares a footprint with.
Updated 05 September 2026.
Holosun 507Comp: footprint and what mount fits it
The Holosun 507Comp is an open-emitter reflex on the Trijicon RMR / Holosun C footprint. It mounts to pistol slide cut or an adapter plate, so buy the plate or mount cut for the Trijicon RMR / Holosun C pattern.
Footprint plate, not to scale
DesignationTrijicon RMR / Holosun C
Red-dot footprintMake
Holosun
Model
507Comp
Footprint
Trijicon RMR / Holosun C
Optic type
open-emitter reflex
Mounts to
pistol slide cut or an adapter plate
Shares its footprint with
Plates and mounts for the Holosun 507Comp
Shop Trijicon RMR / Holosun C adapter plate on AmazonaffiliateFind Trijicon RMR / Holosun C adapter plate on eBayaffiliateShop Trijicon RMR / Holosun C Picatinny mount on AmazonaffiliateFind Trijicon RMR / Holosun C Picatinny mount on eBayaffiliate
Mount this optic
- ›Trijicon RMR / Holosun C 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 507Comp?
Holosun
What is the model of the Holosun 507Comp?
507Comp
What is the footprint of the Holosun 507Comp?
Trijicon RMR / Holosun C
What is the optic type of the Holosun 507Comp?
open-emitter reflex