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Customer Reviews
Helpful Positive Review
I’ve had to since last Christmas and it’s been a great, dependable, red dot. I’ve used it on everything from a 22lr and 9mm to a 556 and it holds zero on them all. I love that you don’t have to on mount it to replace the battery. I also like that y...
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1/1 found this helpful
Most Recent Reviews
It does not fully zero by Rayray, August 14, 2023
The optic is not that great due to “it won’t zero on my slide “ I have a laser finder and it can only go a certain adjustable but not enough to be fully zeroed there for it is not perfect …..for my slide it’s a Leo precision slide but I also used it ...
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0/4 found this helpful
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Color:
Black
Reticle:
Single Dot
Illumination Color:
Red
Condition:
New
Quantity:
1
Red Dot Sights-Footprint:
RMR

Code: 2NZ-RD-RDS12-OP-RMR20R

MPN: OP-RMR20R

UPC: 4717385557048

List: $129.97Save 20%
$104.49

Product Info for UTG Pro Pro OP3 Micro 4 MOA Red Dot Sight

CAUTION: Only use the included #6-32 or #4-40 screws for optic installation.image

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.

WARNING: California`s Proposition 65

Specifications for UTG Pro Pro OP3 Micro 4 MOA Red Dot Sight:

Manufacturer: UTG Pro
Color: Black
Finish: Matte
Fabric/Material: Aluminum
Magnification: 1 x
Objective Lens Diameter: 24.17 mm
Reticle: Single Dot
Illumination Color: Red
Brightness Settings: 8
Eye Relief: Infinite
Adjustment Type: MOA
Adjustment Click Value: 1 MOA
Emitter Type: Open
Parallax: 100 yds
Lens Material: Glass
Optical Coating: Large FOV Multi-coated Glass Lens
Battery Type: Lithium Metal, CR2032
Battery Quantity: 1
Water Resistance Level: IPX-7
Length: 45.21 mm
Width: 27.93 mm
Height: 26.42 mm
Weight: 1.1 oz
Condition: New
Package Type: Box
Lens Finish: Multi-Coated
Quantity: 1
Tube Diameter: 24.17 mm
Red Dot Sights-Footprint: RMR

Features of UTG Pro OP3 Micro 4 MOA Red Dot Sight:

  • 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
  • Magnetized Battery Compartment Reduces Intermittent Reticle Illumination and Flicker
  • Crisp 1 MOA per Click Adjustment
  • Large FOV Multi-coated Glass Lens
  • IPX7 Waterproof Rated
  • Includes Removable Low Profile Picatinny Mounting Base
  • Mounting Base Interface Uses the Common RMR® Footprint
  • Optic Height Co-witnesses with Most Suppressor Height Iron Sights
  • Tertiary Aiming Point Laser Engraved on Rear Face of Optic Hood
  • Protective Optic Cover Included
  • Compatible with Most Optics Ready Pistol Systems

Package Contents:

  • Leapers UTG Pro OP3 Micro 4 MOA Red Dot Sight

UTG Pro Pro OP3 Micro 4 MOA Red Dot Sight Orderable Models

List of Orderable Models

  • UTG Pro OP3 Micro Red Dot Sight, 4 MOA, Black, OP-RMR20R , MPN: OP-RMR20R , UPC: 4717385557048 , Code: 2NZ-RD-RDS12-OP-RMR20R

UTG Pro Pro OP3 Micro 4 MOA Red Dot Sight Unavailable & Discontinued Models

List of Unorderable Models

  • USED, UTG Pro OP3 Micro Red Dot Sight, 4 MOA, Black, OP-RMR20R , MPN: OP-RMR20R-EDEMO , Code: 2NZ-RD-RDS12-OP-RMR20R-EDEMO-RE-B
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Last updated 2026-07-22 UTC.