UTG RMR Mounting Set 2 in 1 Combo

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UTG RMR Mounting Set 2 in 1 Combo – Low Profile and Co-Witness in One Set

The correct red dot height doesn’t depend on the red dot itself – but on the firearm underneath. The UTG RMR Mounting Set 2 in 1 Combo provides two Picatinny heights for RMR-compatible micro red dots: a low profile solution and a higher co-witness solution.

This makes the set useful if you don’t just want to mount a red dot, but want to choose the sight line to match AR, shotgun, rifle, or training platform.

Why exactly this product?
✔ 2 heights in one set ✔ Low profile for flat systems ✔ Co-witness height for AR-like setups ✔ RMR footprint for compatible micro red dots ✔ 6061-T6 aluminum with Torx screws ✔ Useful if you use multiple platforms

Why this product?

The set solves the most common mounting problem with red dots: The optic fits mechanically but isn’t at the right height.

You can choose between a low and a higher sight line
You’re not locked to one platform
You learn in training which height really suits you
You can better tune the red dot to different firearms

10 mm or 22 mm – what fits?
✔ 10 mm: low, useful for shotgun, classic rifle, or flat Picatinny line ✔ 22 mm: higher, useful for AR setups with co-witness logic ❌ Wrong height: red dot is mounted but slow and uncomfortable at the cheek weld

Trainer tip:
Mount both heights as a test and get into the cheek weld before zeroing. You’ll recognize the right height because the dot is immediately in your field of view – without having to search with your head or neck.

Key features

2-in-1 RMR mounting set with two heights
Low profile base for low optic line
Co-witness mount for AR-like sight line
Picatinny compatibility
RMR footprint
6061-T6 aluminum
Black anodizing
Mounting screws and tool depending on manufacturer scope

Our assessment

This set is especially strong for users who have multiple platforms or want to find out which red dot height really fits their cheek weld.

The low mount is useful if the stock line is low. The higher mount fits better for AR-like systems with standard sights.

Limit: It does not replace optics-ready pistol mounts or special mounts for closed systems.

Application areas

AR/PCC setups: test or use co-witness height

Shotgun/rifle: bring red dot closer to barrel/rail line

Range: compare heights and optimize cheek weld

Multi-platform use: use one optic with different mounting heights

Features & operation

Two separate bases: each height serves a different purpose
RMR interface: mechanically check compatible optics
Picatinny clamp: requires a clean, dimensionally accurate rail
Torx screws: tighten evenly and controlled

Technical data

Product type: RMR mounting set – two Picatinny heights for micro red dots
Footprint: RMR – for compatible optics
Heights: Low Profile and Co-Witness – choice by platform and cheek weld
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Material: 6061-T6 aluminum – lightweight mounting material
Mounting: Picatinny – fixed screw mount
Quick release: no – designed for a secure fit

Scope of delivery

1x Low-profile RMR mount
1x Co-witness RMR mount
Mounting screws / tools depending on manufacturer scope

Important note:
Choose the height based on cheek weld and platform, not by optic name. After every height adjustment, the point of impact must be checked again.

FAQ

Why two mounts in the set?
Because different platforms require different practical red dot heights.

Which height is suitable for AR?
Usually the higher co-witness variant, if standard sights and head position fit.

Which height is suitable for shotgun or rifle?
Often the lower variant, because these firearms usually don’t need a high AR sight line.

Does every RMR red dot fit?
Only RMR-compatible optics with matching screw pattern.

Do I need to re-zero after changing?
Yes. Any change in mounting height requires checking the point of impact.

With the RMR mounting set, Picatinny red dot and co-witness setup, the chosen height determines whether target acquisition feels quick or artificially forced.