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Questions & Answers
Will these sights co-witness with the Mepro M-21? Expert Answer

Yes, these sights will co-witness with the M21 on a flat top.

by Armando R., Gear Expert, October 8, 2019
When they are laying flat on the rail, how long is that? And will they work with the at3 red dot and magnifier? Manufacturer Answer

The length will be 2.05". I'm not sure if they will work for that magnifier but the height from the top edge of the rail to the middle of the rear sight aperture is 1.481"

by Meprolight USA, Manufacturer, May 25, 2022
Customer Reviews
Helpful Positive Review
Flip sight by Mike, Verified Owner, March 12, 2018
Great sight for the money, have them installed on my M4. Totally adjustable and put them up against Magpul any time. Adjustments for elevation and wind are positive. Great for a replacement or second sight.
1/2 found this helpful
Helpful Positive Review
Definitely buy it by Richard, Verified Owner, February 16, 2021
This is a definite buy. It's made of a high impact plastic like the magpul mbus. The front sight post is thin enough for precision shooting and the rear peep is just about to right size. The front and rear adjustments are easy to use. The tritium fro...
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2/2 found this helpful
Helpful Positive Review
Great Sights by pick, September 21, 2020
These sights are well made and very easy to install and adjust for use. Very nice product for the price. they flip up very easy and down to let you use along with a red dot sight.They are good enough that I will order another set when I purchase my n...
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1/1 found this helpful
Helpful Positive Review
Great sights by Deacon, March 9, 2021
These look like quality sights. We’ll see how long they last, as they are plastic. The tritium is easy to pick up in low light. The rear peep is cut in a cone shape, which seems to catch some light at times, but overall I really like these
2/2 found this helpful
Helpful Positive Review
Nice and very low profile by K, March 2, 2018
This is a simple and low profile . It has not caused any issues. It was a little tight on mounting on the rails. But a little bit of muscle power took care of that. I have it on my AR and it looks sharp.
8/8 found this helpful
Helpful Negative Review
Poor quality by Unlucky gunner, May 2, 2021
Sights are of inferior plastic construction, tritium is so small it is barely conceivable to use them. If you're getting these to help see, save your money. The plaatic deforms when you try to adjust front sight. Just plain unhappy.
5/5 found this helpful
Read All 17 Reviews
Color:
OD Green
Front Sight Color:
Black w/Green Tritium
Additional Features:
2 Tritium Dots in Rear Sight
Rear Sight Color:
Black w/Green Tritium
Condition:
New
Gun Model:
AR-15, M4, M16
Fabric/Material:
Metal, Polymer
Attachment Type:
Picatinny
Sight Position:
Front and Rear
Height:
1.3 in
Gun Make:
AR Platform
Size:
One Size
Illumination Type:
Tritium
Gun Type:
Rifle
Included Accessories:
Standard
Illumination Color:
Green
Mount Type:
Picatinny

Code: MR-RS3-FRBSM2D-403600

MPN: 403600

UPC: 810013520040

Product No Longer Available

Product Info for Meprolight Flip-Up Front & Rear Tritium Sight Set w/2 Rear Dots

Even if your firearm is equipped with an optic, it's always a good idea to have an additional set of sights in case all else fails - especially if your sights are battery powered. The Meprolight Front and Rear Set of Flip-up Sights with Tritium is a reliable aiming solution that will help you land pinpoint accurate shots down range with or without an additional optical device. These AR 15 Parts made by Meprolight are finger-adjustable for both windage and elevation so that you can set your sights on-the-go without lugging around additional tools. Whether you're left or right-handed, using these Meprolight Flip-up Night Sights is a breeze thanks to their ambidextrous deployment and controls that allow you to set up and adjust with either hand. While lightweight, these sights are rock solid and built to withstand heavy use. These sights glow without the use of batteries, making them incredibly useful in the field. If you need either a primary set of sights or even a pair of back-up ones for your firearm, equip these Meprolight Flip-up Illuminated Sights today.image

Features of Meprolight Flip-Up Front & Rear Tritium Sight Set w/2 Rear Dots

  • Low profile and lightweight design.
  • Can be used as a primary or back-up sight.
  • Manually adjustable, no tools needed.
  • Durable fiberglass reinforced polymer and metal construction.
  • Spring-based locking mechanism will not break or deform.
  • Compatible with all MIL-STD 1913 Picatinny rails.
  • 12 years warranty for Night Sight luminance.

Package Contents:

  • Meprolight Flip-Up Front & Rear Tritium Sight Set w/2 Rear Dots

Gunsmithing Tools & Accessories

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Related Products to Meprolight Flip-Up Front & Rear Tritium Sight Set w/2 Rear Dots

Meprolight Flip-Up Front & Rear Tritium Sight Set w/2 Rear Dots Unavailable & Discontinued Models

List of Unorderable Models

  • Meprolight Flip-Up Front and Rear Tritium Sight Set, 2 Rear Dots, OD Green, 403600 , MPN: 403600 , UPC: 810013520040 , Code: MR-RS3-FRBSM2D-403600
  • DEMO, Meprolight Flip-Up Front & Rear Tritium Sight Set, 2 Rear Dots, Black, FRBS M2D , MPN: 403100-DEMO , Code: MR-RS3-FRBSM2D-FRBS-M2D-DEMO
  • Meprolight Flip-Up Front & Rear Tritium Sight Set, 2 Rear Dots, Black, FRBS M2D , MPN: 403100 , UPC: 840103149394 , Code: MR-RS3-FRBSM2D-FRBS-M2D
  • Meprolight Flip-Up Front and Rear Tritium Sight Set, 2 Rear Dots, Desert Tan, 403300 , MPN: 403300 , UPC: 810013520026 , Code: MR-RS3-FRBSM2D-403300
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