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Magpul MBUS® Gen 2 Back-Up Rear Sight

Magpul MBUS® Gen 2 Back-Up Rear Sight is rated 4.6 out of 5 by 11.
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SKU: 026791095 Item: MAG248-BLK
Magpul The Magpul MBUS® Gen 2 Back-Up Rear Sight features impact-resistant polymer construction and is windage adjustable. Magpul MBUS® Gen 2 Back-Up Rear Sight
026791095 55.99 USD

$55.99

Select Color: Black

In Stock Online

Usually leaves warehouse in 1-2 business days.

The Magpul MBUS® Gen 2 Back-Up Rear Sight mounts on most AR-15/M-16 firearms and Picatinny and STANAG 4694 rails. Made of lightweight, impact-resistant polymer, this rear sight has a detent knob that lets you easily and positively adjust the windage and folds with either the large or small aperture in position. Made in USA.

Features and Benefits
  • Mounts on most AR-15/M-16 firearms and on a Picatinny or a STANAG rail
  • Detent knob lets you easily and positively adjust the windage
  • Spring-loaded flip-up sight easily activates from either side or by pressing the top
  • Folds with either the large or the small aperture in position
  • Protective wings shield the dual and same-plane flip apertures
  • Includes mounting hardware
  • Made in USA
  • Detent and spring pressure keep the sight erect while allowing for unobstructed folding under impact
  • Made of impact-resistant polymer that provides light weight and resists operational abuse
Specifications
  • Batteries Required: No
  • Manufacturer warranty - general: 60 days limited
  • Compatibility: AR-15/M-16 firearms and Picatinny and STANAG 4694 rails
  • Product weight (oz.): 1.3
  • Type: Flip-up
What's in the Box
  • Mounting hardware
  • Magpul MBUS® Gen 2 Back-Up Rear Sight
Rated 5 out of 5 by from Perfect for my AR build I'm not sure what issues the other reviewer experienced but this sight worked perfectly on my AR Stoner 5.56 upper. Within 15 rounds i was hitting center at 300 yards. Magpul has some great products. Highly recommend!
Date published: 2017-03-06
Rated 4 out of 5 by from A good, economical choice If you're old-fashioned like me, you want something good and solid that doesn't rely on batteries. I prefer this to other rear sights because it pops up readily, stays up with no wiggle, and has material with enough flex to survive brutal treatment without shattering or losing zero. The main con, in my mind, is that it hides more of the target's lower portions than do some other options. Other than that, the flip-down nature of its aperture setting means that you're stuck with the smaller aperture if you use this stowed below a quick-detach scope. All in all, the pros outweigh the cons for me such that this is the sight I use. PROS Folds up under scope Easier to deploy than other options Can handle full weight of weapon falling on it with no loss of function Competitively priced CONS Low visibility beneath target Stuck with smaller aperture when folded
Date published: 2017-02-26
Rated 3 out of 5 by from Not for every AR rifle. Per Magpul "These MBUS flip-up rear sights will only function with the higher "F" marked fixed A2 front sight, or another MBUS front." They will not work with "standard" A2 fixed front sights - I asked them this question prior to purchase and was told yes, but after installation when they didn't work correctly I again contacted Magpul by phone and was now told, "sorry they won't work with the non-F marked fixed A2 front sights." The higher F-marked A2 fixed front sight is by far the most encountered, but not the only one by any means. In my case the upper I purchased from M***USA was not one of these and so I am stuck installing a non-standard front sight post to line up with this Magpul MBUS rear sight. A little clarification would have gone a long way toward preventing my purchasing this rear sight for $55! Please be advised that purchasers trying to use this with the shorter non-F marked A2 fixed front sight are bound to be as disappointed as I was, and need an additional higher front sight post to sight in, which could result in returns. This is not about the knock-off Chinese sights - my rear MBUS is genuine Magpul, and is non-standard with non-F marked FSBs.
Date published: 2017-01-23
Rated 5 out of 5 by from magpul purchase Excellent customer service Ed was great and got the package in a timely matter.
Date published: 2016-07-20
Rated 5 out of 5 by from Magpul Gen 2 Sights. I have these on all four of my AR's they are tough durable and don't break the bank. Great product and a great price.
Date published: 2016-02-25
Rated 5 out of 5 by from Great Product Great price, fast shipping, and its mapul so of course its a good sight.
Date published: 2016-01-17
Rated 5 out of 5 by from Love it! Replaced my MR handle/site with this and VERY happy I did. Fits great, low profile until needed, and very well built.
Date published: 2015-10-08
Rated 5 out of 5 by from MBUS Great product, thanks. Had item in stock when no one else did
Date published: 2015-06-05
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Will this rear sight work with the standard front sight that comes on an AR-15 or do you have to purchase the front sight with it?

Asked by: Neb0244
Not sure why Nanyanwu was so vague, but yes, it is designed to Co witness with the standard AR 15 front sight post.
Answered by: TurboMan
Date published: 2017-03-17

Is this available in store or only online?

Asked by: Dustin1911
Hello Dustin1911, Inventory availability is subject to change, please contact your local Academy Sports + Outdoors store directly or our Customer Service Center at (888) 922-2336 for current availability.
Answered by: Johanna
Date published: 2017-01-27
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