---
product_id: 456324288
title: "OP3 Micro, Red 4 MOA Single Dot, RMR Footprint"
brand: "utg"
price: "£92.93"
currency: GBP
in_stock: true
category: "Utg"
url: https://www.desertcart.co.uk/products/456324288-op3-micro-red-4-moa-single-dot-rmr-footprint
store_origin: GB
region: United Kingdom
---

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

**Brand:** utg
**Price:** £92.93
**Availability:** ✅ In Stock

## Summary

> 🔴 Lock on with precision, power, and style—never miss your mark again.

## Quick Answers

- **What is this?** OP3 Micro, Red 4 MOA Single Dot, RMR Footprint by utg
- **How much does it cost?** £92.93 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/456324288-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

- • **Built for All Conditions:** IPX7 waterproof rating and protective optic cover ensure reliability rain or shine, indoors or out.
- • **Unmatched Battery Longevity:** Stay mission-ready with over 55,000 hours of battery life at mid-brightness—no downtime, ever.
- • **Precision Machined Durability:** Crafted from 6061-T6 aluminum with matte black anodization for rugged, sleek performance.
- • **Customizable Brightness Control:** 8 intensity settings let you adapt instantly to any lighting condition for flawless targeting.
- • **Universal RMR Footprint Compatibility:** Fits most optics-ready pistols with included low-profile Picatinny mount—upgrade without limits.

## Overview

The UTG OP3 Micro Red Dot Sight offers a 4 MOA single dot reticle with 8 brightness levels, engineered from durable 6061-T6 aluminum with a matte black finish. Featuring a remarkable 55,000+ hour battery life, IPX7 waterproof rating, and compatibility with most RMR footprint pistols, it’s designed for professionals demanding reliability and precision in any environment.

## Description

desertcart.com : UTG OP3 Micro, Red 4 MOA Single Dot, RMR Footprint : Sports & Outdoors

## 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 |
|---------------|-------|
| ASIN | B0B3NC6RJQ |
| Best Sellers Rank | #156,611 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #371 in Gun Sights |
| Brand Name | UTG |
| Color | Black |
| Compatible Devices | Handgun |
| Customer Reviews | 4.1 4.1 out of 5 stars (137) |
| 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 |
| Item Dimensions L x W x H | 1.81"L x 1.18"W x 1.02"H |
| Item Type Name | Sporting Goods |
| Item Weight | 30 Grams |
| Magnification Maximum | 1 |
| Magnification Minimum | 1 x |
| Manufacturer | Leapers,Inc. |
| Manufacturer Part Number | OP-RMR20R |
| Material Type | Aluminum |
| Model Name | OP-RMR20R |
| Model Number | OP-RMR20R |
| Mounting Type | Picatinny Mount |
| Night vision | No |
| Product Style | Gun Sights |
| Reticle Type | Single dot |
| Sport Type | Hunting |
| Thread Type | RMR footprint thread |
| Unit Count | 1.0 Count |
| Warranty Description | Lifetime Warranty |

## Product Details

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

## Images

![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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**Shop now:** [https://www.desertcart.co.uk/products/456324288-op3-micro-red-4-moa-single-dot-rmr-footprint](https://www.desertcart.co.uk/products/456324288-op3-micro-red-4-moa-single-dot-rmr-footprint)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-07-02*