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Questions & Answers
Will these co witness with an eotech xps Expert Answer

Yes, these should be compatible.

by Patrick, Gear Expert, November 8, 2021
will these co witness with a sig romeo 5 red dot? Manufacturer Answer

We do not have that optic to test.

by Meprolight, Manufacturer, July 14, 2021
Customer Reviews
Helpful Positive Review Solid product, performs well, one gripe by BrazilianWaxAndTheBananaHammock, Verified Owner, November 22, 2020
These night sights work well for low-light and darkness. They're accurate, well built, and the visibility is good. Yes, they're not neon dayglo bright, but that's fine. The rear sight is a bit dimmer than the front, and that's good for a couple reaso...
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11/11 found this helpful
Helpful Positive Review Good quality by EightBallSniper2, September 18, 2020
The sights are very sturdy. Tritium works well. I used used them on 2 rifles including an sbr without any issues. My only complaint is they aren't spring loaded which makes them much slower to deploy.
1/1 found this helpful
Helpful Negative Review Meprolight front & rear flip up sights. by CrimeDog, Verified Owner, October 5, 2016
The only complaint that I have is that the rear sights with Tritium are not very bright. This makes it difficult to find them to align with the front sights. They are very sturdy and are easy to flip up.
13/14 found this helpful
Most Recent Reviews Good Sights for your Money by Alex D, February 14, 2023
I bought these for my Aero 223 build as I had recently used Mepro sights on another build and they were great. These sights were very easy to install and seem very sturdy once installed. Adjusting the sights was easy and they hold true. The f...
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Most Recent Reviews For the money....no. by Just Me, February 16, 2020
Pros-. Well made, solid, easy install. Product arrived very quickly. Cons- picture misleads. Does not illuminate very well... particularly the rear sight. For the price, one would expect more.
3/5 found this helpful
Most Recent Reviews Good night sights by Nathan, November 9, 2020
I got these from a friend second hand, but I can review all the same. They are made of plastic but it’s solid construction tactile and audible clicks for w/e adjustments. Night sights are a little dim, but definitely very visible. Looks good on a ksg
Read All 6 Reviews

Product Discontinued by Manufacturer

Meprolight Flip-Up Front & Rear Tritium Sight Set w/4 Rear Dots has been discontinued by Meprolight and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Tritium & Fiber Optic Night Sights, AR15 Accessories, Gun Parts, AR15 Iron Sights, AR 15 Parts, Rifle Parts yourself to try and find the perfect replacement for you!

Product Info for Meprolight Flip-Up Front & Rear Tritium Sight Set w/4 Rear Dots

FRBS M4D is an advanced, tritium illuminated, low-profile, durable, auxiliary front and rear sight set. The front sight post elevation adjustment and rear sight windage adjustment is easily and quickly adjusted without tools. The FRBS M4D is readily mounted on any 1913 Picatinny rail, making it ideal for use on M4 / AR-15 / M-16 platforms and on the FAB Defense KPOS. Some distinct advantages include, a tritium light source imbedded in the front sight post along with four tritium inserts in the rear peep, ergonomic angel-wing-shaped front shroud helps create a precise optical tunnel that ensures more accurate aiming and faster target acquisition, low folded profile is smooth and inconspicuous, and will not snag on gear, webbing, or brush ,Instant spring-locked deployment mechanism will not slip, break or deform, no tools needed for easy, rapid elevation adjustments, with positive detent locking , made of extremely durable high-grade polymer and metal.image

Features of Meprolight Flip-Up Front & Rear Tritium Sight Set w/4 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/4 Rear Dots

Magazine and Accessories

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Gun Parts and Accessories

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Gun Sights

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Gun Stocks

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Related Products to Meprolight Flip-Up Front & Rear Tritium Sight Set w/4 Rear Dots

Meprolight Flip-Up Front & Rear Tritium Sight Set w/4 Rear Dots Unavailable & Discontinued Models

List of Unorderable Models

DEMO, Meprolight Flip-Up Front & Rear Tritium Sight Set, 4 Rear Dots, Black, FRBS M4D , MPN: 403200-DEMO , Code: MR-RS3-FRBSM4D-FRBS-M4D-DEMO
Meprolight Flip-Up Front and Rear Tritium Sight Set, 4 Rear Dots, OD Green, 403800 , MPN: 403800 , UPC: 810013520057 , Code: MR-RS3-FRBSM4D-403800
Meprolight Flip-Up Front and Rear Tritium Sight Set, 4 Rear Dots, Desert Tan, 403400 , MPN: 403400 , UPC: 810013520033 , Code: MR-RS3-FRBSM4D-403400
Meprolight Flip-Up Front & Rear Tritium Sight Set, 4 Rear Dots, Black, FRBS M4D , MPN: 403200 , UPC: 840103151182 , Code: MR-RS3-FRBSM4D-FRBS-M4D
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