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Questions & Answers
Does this mount directly on the pistol or is there an adapter plate interface needed? Expert Answer

The Meprolight MPO Pro-S includes an RMSc adapter plate that will mount to RMSc cut slides. The optic will then mount to the adapter plate. As long as you have an RMSc cut slide you will be able to utilize this optic.

by Ethan, Gear Expert, April 24, 2024
What is the white mark on the view side of the unit? can it be used instead of a rear sight and together with the front sight as backup sight?

That is the idea. Kinda like the "dot the I" sights. Actual point of impact will vary depending on your front sight height though.

by Toby, Verified Owner, February 3, 2025
Customer Reviews
Helpful Positive Review
Best enclosed emitter pistol optic of 2024! by Greyman Neo, August 13, 2024
Coming from someone who has been carrying concealed for over 15 years, on various pistol platforms, I have recently used or been using a variety of red dots on my carry pistols including Trijicon RMR, RMRcc, RMRHD, have also been using the ACRO P2, H...
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13/16 found this helpful
Helpful Positive Review
Checks Every Box by DPO, Verified Owner, November 6, 2024
Israeli quality. Excellent price for enclosed emitter especially considering reticle choices. Weight on Glock 43x negligible. Height above bore is no issue. Circle dot reticle is exact size and pattern I need. No effect on pistol function. Good to go...
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1/1 found this helpful
Helpful Positive Review
definitely worth it by panzos, Verified Owner, May 18, 2024
This optic is flying under the radar I don't understand why it's definitely worth it it's a great great optic I have this one I love it it's extremely rugged it's not the cheap 60 series aluminum it's the 70 series The dot is crisp and clear the circ...
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8/15 found this helpful
Helpful Positive Review
Small Optic RMSC footprint by Rip, Verified Owner, April 12, 2025
Looks great on a small frame slide. Works good. Is it a must-have? Only time will tell that, but so far, so good.
1/1 found this helpful
Helpful Positive Review
good closed emitter by rhy, Verified Owner, October 17, 2024
This is probably one of the best optics no one is talking about.
2/2 found this helpful
Helpful Positive Review
Perfect for the pricepoint by ddoming243, Verified Owner, June 9, 2024
Competing with Trijicon and Holosun is not easy, so we. Red to understand the balance in price point and quality. I feel ver comfortable paying under 300 for this quality piece. Mounted well on my G19
2/4 found this helpful
Read All 13 Reviews

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Product Info for Meprolight MPO PRO-S 1x 0.78x0.60in Reflex Red Dot Sight

Introducing the Mepro MPO Pro-S - a durable and rugged enclosed optic system built to meet the demands of military and law enforcement operations.image

The Mepro MPO Pro-S represents a significant advancement from Meprolight, engineered to match the legendary durability of the Mepro M21, M22, and M5. It enhances precision and accuracy across multiple firearm styles and calibers. It automatically adapts to any environment.

Built to endure direct impacts and operate in the harshest conditions, the MPO Pro-S provides heightened accuracy and an exceptional field of view. Featuring a user selectable 3 segment reticle system (3 MOA dot, 33MOA bullseye, and 33 MOA ring) allowing the shooter to choose how they interact with their optic.

RMSc/JPoint footprints.

WARNING: California`s Proposition 65

Specifications for Meprolight MPO PRO-S 1x 0.78x0.60in Reflex Red Dot Sight:

Manufacturer: Meprolight
Color: Black
Magnification: 1 x
Objective Window Size: 0.78x0.60 in
Reticle: 3 MOA Dot, 33 MOA Bullseye/Dot
Illumination Type: LED
Emitter Type: Enclosed
Battery Type: Lithium Metal, CR1632
Battery Life: 20000 hours
Fogproof: Yes
Weight: 1.4 oz
Condition: New
Red Dot Sights-Footprint: RMSc

Features of Meprolight MPO PRO-S 1x 0.78x0.60in Reflex Red Dot Sight

  • RMSc/JPoint Footprint
  • Closed design shields against all elements
  • User selectable 3 segment reticle
  • 10 Day / 2 NV Settings
  • CR1632 20,000+ hours battery life (Setting 5)
  • Automatic and Manual Brightness Control
  • Power Saving Sleep Mode
  • IP67 Waterproof rating

Package Contents:

  • Meprolight MPO PRO-S 1x 0.78x0.60in Reflex Red Dot Sight
  • Adaptor plate for RMS'c
  • 2X #6-32x6 Nylock patch screws
  • 2X M4x6 Nylock patch screws
  • 2 In 1 Screwdriver & Torx wrench T10
  • Cleaning cloth
  • CR1632 Battery
  • User Manual

Meprolight MPO PRO-S 1x 0.78x0.60in Reflex Red Dot Sight Orderable Models

List of Orderable Models

  • Meprolight MPO PRO-S 1x 0.78x0.60in Reflex Red Dot Sight, Red 3 MOA Dot, 33 MOA Bullseye/Dot Reticle, Black 901141172 , MPN: 901141172 , UPC: 810013524512 , Code: MR-RD-OO9-901141172
  • Meprolight MPO PRO-S 1x 0.78x0.60in Reflex Red Dot Sight, Green 3 MOA Dot, 33 MOA Bullseye/Dot Reticle, Black, 901141182 , MPN: 901141182 , UPC: 810013524529 , Code: MR-RD-OO9-901141182

Meprolight MPO PRO-S 1x 0.78x0.60in Reflex Red Dot Sight Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Meprolight MPO Pro-S Closed Emitter Pistol Sight with RMSc/JPoint Footprint, Red, 3/33 Moa Bullseye, Black Red Reticle, 901141172 , MPN: 901141172-EDEMO , Code: MR-RD-OO9-901141172-EDEMO-SC-C
  • USED, Meprolight MPO Pro-S Closed Emitter Pistol Sight with RMSc/JPoint Footprint, Red, 3/33 Moa Bullseye, Black Red Reticle, 901141172, 901141172 , MPN: 901141172-EDEMO , Code: MR-RD-OO9-901141172-EDEMO-IN-B
  • USED, Meprolight MPO Pro-S Closed Emitter Pistol Sight with RMSc/JPoint Footprint, Red, 3/33 Moa Bullseye, Black Red Reticle, 901141172 , MPN: 901141172-EDEMO , Code: MR-RD-OO9-901141172-EDEMO-IN-D
  • DEMO, Meprolight MPO Pro-S Closed Emitter Pistol Sight with RMSc/JPoint Footprint, Red, 3/33 Moa Bullseye, Black Red Reticle, 901141172 , MPN: 901141172-DEMO , Code: MR-RD-OO9-901141172-DEMO
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