---
product_id: 456324288
title: "UTG OP3 Micro, Red 4 MOA Single Dot, RMR Footprint"
brand: "utg"
price: "€ 101.10"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/456324288-utg-op3-micro-red-4-moa-single-dot-rmr-footprint
store_origin: IE
region: Ireland
---

# IPX7 Waterproof Rated 55,000+ Hours Battery Life 4 MOA Red Dot Precision UTG OP3 Micro, Red 4 MOA Single Dot, RMR Footprint

**Brand:** utg
**Price:** € 101.10
**Availability:** ✅ In Stock

## Summary

> 🔴 Lock on with precision, stay ahead with endurance.

## Quick Answers

- **What is this?** UTG OP3 Micro, Red 4 MOA Single Dot, RMR Footprint by utg
- **How much does it cost?** € 101.10 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/456324288-utg-op3-micro-red-4-moa-single-dot-rmr-footprint)

## Best For

- utg enthusiasts

## Why This Product

- Trusted utg brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ultra-Bright Red Dot:** 4 MOA single dot with 8 brightness settings ensures perfect target acquisition in any light.
- • **Endurance Battery Life:** Over 55,000 hours of continuous use at mid-brightness—stay ready without worry.
- • **Seamless Compatibility:** RMR footprint mounting base fits most optics-ready pistols for effortless upgrades.
- • **Weatherproof Confidence:** IPX7 waterproof rating means your sight performs rain or shine, no compromises.
- • **Precision Machined Durability:** Crafted from aircraft-grade 6061-T6 aluminum with matte black anodization for rugged, sleek reliability.

## Overview

The UTG OP3 Micro Red 4 MOA Single Dot Sight is a compact, precision-machined optic built from durable 6061-T6 aluminum. Featuring an ultra-bright red dot with 8 adjustable brightness levels and a remarkable 55,000+ hour battery life, it ensures reliable target acquisition in diverse conditions. Its IPX7 waterproof rating and RMR footprint compatibility make it a versatile, weatherproof upgrade for most optics-ready pistols, backed by a lifetime warranty.

## Description

OP3 Micro, Red 4 MOA Single Dot, RMR Footprint

## Features

- Precision Machined from 6061-T6 Aluminum and Finished in a Matte Black Anodization
- Red 4.0 MOA Single Dot with 8 Brightness Intensity Settings
- 55,000+ Hours Battery Life at Middle Brightness Setting
- Includes Removable Low Profile Picatinny Mounting Base and Protective Optic Cover. IPX7 Waterproof Rated
- Mounting Base Interface Uses the Common RMR Footprint, Compatible with Most Optics Ready Pistol Systems
- NOTE: We recommend to tighten the #6-32 or #4-40 screws with torque value of about 12 inch-lb and the side plate screw with torque value of about 35 inch-lb.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | UTG |
| Color | Black |
| Style | Gun Sights |
| Product Dimensions | 1.81"L x 1.18"W x 1.02"H |
| Sport | Hunting |
| Item Weight | 30 Grams |
| Material | Aluminum |
| Magnification Maximum | 1 |
| Magnification Minimum | 1 x |
| Compatible Devices | Handgun |
| Mounting Type | Picatinny Mount |
| Night vision | No |
| Thread Type | RMR footprint thread |
| Model Name | OP-RMR20R |
| Manufacturer | Leapers,Inc. |
| Reticle Type | Single dot |
| Item Package Dimensions L x W x H | 5.04 x 2.76 x 1.54 inches |
| Package Weight | 0.12 Kilograms |
| Item Dimensions  LxWxH | 1.82 x 1.1 x 1.43 inches |
| Brand Name | UTG |
| Warranty Description | Lifetime Warranty |
| Suggested Users | unisex-adult |
| Part Number | OP-RMR20R |
| Model Year | 2022 |
| Included Components | CR2032 3V High Energy Lithium Battery,#4-40 T10 Torx Screw X2,#6-32 T10 Torx Screw X2,T10 Torx Wrench,Allen Wrench 3mm,W/E Adjusting Wrench,Protective Optic Cover,Cleaning Cloth,Dot Sight Owners Manual |

## Product Details

- **Brand:** UTG
- **Color:** Black
- **Style:** Gun Sights
- **Product Dimensions:** 1.81"L x 1.18"W x 1.02"H
- **Sport:** Hunting
- **Item Weight:** 30 Grams
- **Material:** Aluminum
- **Magnification Maximum:** 1
- **Magnification Minimum:** 1 x
- **Compatible Devices:** Handgun

## Images

![UTG OP3 Micro, Red 4 MOA Single Dot, RMR Footprint - Image 1](https://m.media-amazon.com/images/I/71sqE2RstkL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Fit on a Smith and Wesson 5.7?**
A: Same footprint as a trijicon rmr. If it has a rmr adapter plate it should be good to go.

**Q: Actually a rmr footprint or something else?**
A: Rmr, just like the description says.

**Q: will this fit a sccy dvg 1 ?**
A: As long as it has an RMR cut

**Q: Where is battery compartment located?  Remove sight to replace battery?**
A: Yes, at the bottom of the RDS

## Frequently Bought Together

- UTG OP3 Micro, Red 4 MOA Single Dot, RMR Footprint
- UTG Super Slim RDM20 Mount for Rear Sight Dovetail
- UTG Super Slim RMR Mount, for Glock Rear Sight Dovetail, Black

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---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-11*