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Your cart is empty.The MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. It is constructed of tough, impact resistant polymer to provide light weight and resistance to operational abuse.
T Weezy
Reviewed in the United States on January 11, 2025
If you're looking at this sight set then you are most likely already familiar with Magpul and do not need to be told that they make good products. Excellent products, actually. I have not used this set yet (I just installed them tonight), but I have used these before and they are accurate. They present nicely on your rifle both on the physical profile and when looking down range at them. The only turn off for me was installing the front sight. The front was sort of a tight fit, on the firearm they were installed on. That was my experience on my previous set. I thought I was going to have to return them and then did some quick research and learned ways to make the front sight go on. The rear sight went right on. Other than these sights providing an additional functional aspect/tool to my rifle, they just look nice. I say buy them if you need them.
Ant
Reviewed in the United States on August 4, 2024
Perfect and easy to install. No issues and got at a solid price.
Richard Kongable
Reviewed in the United States on August 20, 2024
Good replacement for the cheap sights that came with the rifle. Haven’t got it sighted in yet but probably due to my lack of understanding.
Reid M Conley
Reviewed in the United States on December 8, 2024
Magpul makes nice stuff !! The sights are easy to mount / easy to use , color match [ F D E ] is great ! Basically the the flip up sight set does the job intended [ back up sights ] Fair price / great service !
Thoughts Are Things
Reviewed in the United States on December 13, 2024
Delivered promptly. Fits easily on pic rail. Works as designed, front sight co-witnesses with optic. Tan color is a nice contrast with the rifle. Nice set up.
Ravenwood
Reviewed in the United States on May 18, 2022
I purchased these sights for my AR15 pistol strictly as backups for my Aimpoint P R O red dot. They were price pointed below most others. The quality is typical of Magpul, meaning well designed and functional. They co-witness perfectly with the Aimpoint when deployed. I would have given them a 5 Star across the board rating, but of course being plastic I deducted 1 star for durability. These have been a nice addition to my PDW. If you’re looking for backups then you won’t go wrong with these.
David
Reviewed in the United States on October 4, 2022
These are real magpul sights. Ordered a set from a different site and they are exactly the same. Feel the same. And both came with some yellow locktite on the screws. But these on Amazon came in what I would assume is their new packaging, which is much better than coming in some bag. Buy here if you want to save a few bucks and receive them the next day!
Maestro DT
Reviewed in the United States on September 27, 2014
The only thing I wish was that these had tritium inserts, or at least one for the front post. If anyone knows of any conversion for these particular sights, please let me know.I actually get better actually with these sights at 50 meters than I do with the scope I purchased (3-9 zoom, on the highest zoom level). These are accurate when you set them and compact down very nicely. Remember to mount them as far forward and as far back as possible on your rifle.Also, as stated, these will not work on a GAS BLOCK. I have a gas block with a rail on the front of my AR15, so I just mounted the front sight on the top main rail at the very front. Still very accurate. The flat dark earth color provides a nice contrast against my black rifle, but as I said before... I'd love a tritium insert. Despite that, I'm still giving it 5 stars.Other companies manufacture similar sights with tritium inserts (I'm looking at you, Diamondhead), but they are usually metal (a lot heavier) and a lot more expensive. The polymer compound these are made of is very resilient.There are two options for putting these sights into play... there is a small side piece you can pull down, or you can just press down on the top -- either way they flip right to attention. Takes about two seconds to deploy both. They should also work well in conjunction with Eotech or any other higher grade red dot/magnifier combination. Some people consider these backup sights, but right now I'm using them as my main and I have no qualms or regrets on this purchase.
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