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Trijicon RMR footprint standard

Trijicon RMR footprint standard

Paul L. |

Trijicon RMR footprint standard consists of two front sockets and two screw holes in the middle of the sight.

This standard is used primarily for red dots designed for full size and compact size pistols. For subcompact models this footprint is rather too wide.

 As of 2024 the Trijicon RMR footprint standard is the most used footprint among all red dot manufacturers. Thanks to that, there is relatively quite a lot of compatible mounts and plates.

Footprint pattern

How does the Trijicon RMR footprint pattern look like? The scheme with all details are below.

  • there are two sockets distanced from each other 22.5mm [0.89 in], and
  • there are also two screw holes in the rear center of the footprint that allow fixation of the red dot to a plate or red dot mount 

Mounting

If you want to install red dot that is compatible with Trijicon RMR footprint to your pistol, you have two options: plates and mounts.

  • plates work with optics ready models with optic ready cut in the slide, 
  • mounts work with standard models and they function as a replacement of rear sight in the dovetail cut.

Plates with Trijicon RMR footprint

Here you can find matching plates that allow installation of red dot sights with Trijicon RMR footprint standard. Full list of compatible red dots is below.

Mounts with Trijicon RMR footprint

Here you can find matching mounts that allow installation of red dot sights with Trijicon RMR footprint standard. Full list of compatible red dots is below.

Compatible red dots

Below you can find up-to-date list of red dot sights compatible with Trijicon RMR footprint.

That means that these red dots will work on any of the red dot plates or red dot mounts listed above.

Trijicon RMR standard

  • ADE Advanced Optics RD3-019 Stingray,
  • ADE Advanced Optics RD3-020 Raptor,
  • ADE Advanced Optics RD3-023 Valkyrie,
  • Holosun 407C,
  • Holosun 407C-GR,
  • Holosun 407CO,
  • Holosun 507C,
  • Holosun 507C-GR,
  • Holosun 507 Comp,
  • Holosun 507 Comp-GR,
  • Holosun 508T-RD,
  • Holosun 508T-GR,
  • Riton X3 Tactix PRD,
  • Swampfox Justice RMR 1×27,
  • Swampfox Liberty RMR 1×22,
  • Swampox Kingslayer,
  • Trijicon RMR,
  • Trijicon SRO,
  • Vector Optics Frenzy 1x22x26