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  • Post last modified:May 8, 2023

This guide goes over the RMR vs RMSc footprint difference. If you are new to firearm optics, they may look similar simply by glancing at the letters. This informational provides helpful specs insight and visuals, so the buyers can prevent buying the wrong optics for their optics-ready handguns or optic mounts.

RMR VS RMSc Footprint

The RMR (Ruggedized Miniature Reflex) footprint and the RMSc (Ruggedized Miniature Sight Compact) footprint are different mounting platforms for red dot sights. The RMR footprint is a larger mounting platform that is often used on full-size and compact pistols as well as rifles and shotguns.

holosun 507k vs 507c footprint

On the other hand, the RMSc footprint is a smaller mounting platform designed for use on smaller firearms like subcompacts and pocket pistols. While the two footprints may look similar, they are not interchangeable due to differences in their size and mounting hole patterns.

Therefore, it is important to select the correct mounting platform for your red dot sight based on the specific firearm and mounting platform.

RMR Footprint

trijicon sro vs rmr mounting footprint

The Trijicon RMR footprint has become a highly popular mounting platform for red dot sights in last decade. The RMR footprint is introduced by Trijicon. Since then, it has been adopted by a number of other manufacturers for their own red dot sights including Holosun and Swampfox.

The popularity of the Trijicon RMR footprint can be attributed to a number of factors. First and foremost, it is a highly durable and reliable mounting platform that has been extensively tested in real-world conditions.

Some of the top RMR footprint red dot sights include:

Trijicon RMR, Holosun 507C, Holosun 508T, Trijicon SRO, Swampfox Liberty and more.

See the list of red dot sights that fit RMR footprint – Click here

fnx-45-tactical-trijicon-sro

This makes it an ideal choice for military, law enforcement, and civilian shooters who demand a high level of performance from their equipment.

valhalla tactical RUKH offset mount side view

Additionally, the Trijicon RMR footprint is highly versatile, with a wide range of mounting options available to suit different firearms and shooting styles. It can be mounted on pistols, rifles, shotguns, and even some airsoft guns.

Many manufacturers offer a wide range of mounting plates and adapters that allow shooters to mount a variety of different red dot sights on the RMR footprint, making it a highly flexible choice for shooters who like to experiment with different optics.

RMSc Footprint

RMS vs RMSc 1

The RMSc footprint is a mounting platform similar to the Trijicon RMR footprint but with a much smaller size, which makes it an ideal choice for smaller firearms like subcompacts and pocket pistols.

The RMSc footprint is an improved version of the RMS footprint with slimmer body width, but the mounting hole dimensions are still the same.

RMSc footprint red dot sights are typically designed with a smaller window size compared to larger red dot sights, but they still offer a bright, clear sight picture and are often equipped with features like adjustable brightness settings and automatic shut-off to conserve battery life.

RMSc footprint red dot sights have become increasingly popular among concealed carry and personal defense enthusiasts.

Popular RMSc footprint red dot sights include:

Here is a list of red dot sights that fit RMSc footprint – Click here

holosun 507k on p365 top view

Referenced Shield Optics

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