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Magpul MBUS Rear Gen 2 Flip-Up Back Up Sight
$48.99
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(31 reviews)
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Most Helpful Positive Review Great backup sight
Easy to install. Works perfectly with the fixed A2 front sight on my upper. Folds out of the way when not needed. Great ordering experience from Opti...
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Using with Aimpoint

by Mountain Jack, from United States, NC Written on March 25, 2015
This is a very solid build. Everything about it is tight including putting it on the rail but that is fine. I Co witnessed it with my new Aimpoint Pro. It is very nice. I have several Magpul products on my AR and they all are high quality and serve the purpose perfectly as designed....
Pros:
  • Easy to work with
Cons:
  • none... yet
Would recommend: Yes
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Works great

by jwb785, from United States, KS Written on March 6, 2015
Works great just as every magpul items do.i wouldn't buy anything else besides magpul. Good strong long lasting product. I would not use any other products out there. Also have a magpul k2 grip it is a great grip fits hand perfect....
Would recommend: Yes
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Magpul MBUS flip up rear sight

by madmac, from United States, WV Written on February 26, 2015
The Magpul MBUS rear flip up sight is an excellent addition for an M4 platform. The sight is easy to install and easy to zero with a screw driver, multi-tool or dime. The sight easily folds down so as not to interfere with my optics, however pops right into place with perfect alignment every time and no loss of zero. Excellent product!...
Would recommend: Yes
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Solid product at a reasonable price

by MB, from United States, CA Written on February 18, 2015
Magpul MBUS Rear Sights are high quality for a reasonable price. If you use these as backup sights, why spend more? I've used these for years and have never had a complaint. The size is small enough not to take up too much rail space, and it sits low enough to stay out of the way when using an optic....
Would recommend: Yes
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Worth the money

by Chootem, from United States, PA Written on February 6, 2015
Works just fine and won't burn a hole in your pocket. Sighting it in took next to no time. Installation was a breeze the sight quickly deploys and is easy to put back down. Will not get in the way of an optic at all with a riser, lays fairly flat on the rail....
Pros:
  • Well worth the money
Cons:
  • None
Would recommend: Yes
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works perfectly

by cwmiller69, from United States, TX Written on January 30, 2015
Great price, best I could find online. Shipped and received quickly. Lightweight and installs very easily. The color matches other ODG furniture well, Magpul and other brands. The first range test with matching front sight was zeroed at 50 yards out of the box. NOTE - this was installed on 45 degree angled mounts, so out of the box accuracy was a pleasant surprise. Couldn't have been better overall experience....
Would recommend: Yes
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Excellent product

by Steve, from United States, WA Written on January 15, 2015
Easy to install, it looks great and more importantly it works great. It is easy to zero, the close range peep hole is easy to deploy. The Magpul sight flips up with ease and the product is ove excellent quality. I know that I will have this sight for a long time. I have already recommended this sight to my friends....
Pros:
  • Easy to use. Attach to muzzle and go!
  • Looks great on your weapon
Cons:
  • Nothing I can think of
Best Used for:
  • Great back up sights
Would recommend: Yes
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MGAPUL MBUS

by indy78, from United States, CA Written on December 21, 2014
I purchased the sights as a back-up to my EoTech optic and found they were easy to install, I did have to use a small hammer and piece of wood to tap the front sight on as it was a very tight fit over the rail on my PWS....
Pros:
  • Cost-Effective Solution
Cons:
  • none... yet
Best Used for:
  • Backup
Would recommend: Yes
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Quality and Precision

by Kahuna, from United States, CA Written on December 8, 2014
I purchase the Magpul MBUS as I just completed an AR build in Flat Dark Earth and this and the Front Flip-Up Back Up sight. The install was easy as well as to "zero" them in. I have a number of Magpul items and these sights are reasonably priced. I recommend Magpul products to keep your carry rifle on the lighter side....
Pros:
  • quality product for a fair pric
Cons:
  • none... yet
Would recommend: Yes
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Great buis

by Mr52, from United States, OH Written on October 24, 2014
Nice sight very nice to fold down out of the way while using red dot or other optics. Not the easiest or in general the most adjustable but it will get the job done if you need iron sights. I now wish I could add the front version as well but that will have to wait for a little gunsmith in....
Would recommend: Yes
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Comments on 31 User Reviews of Magpul MBUS Rear Gen 2 Flip-Up Back Up Sight