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Magpul MBUS Front Flip-Up Back Up Sight Gen 2
Starts at $37.79
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(24 reviews)
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Most Helpful Positive Review Not for use on Gasblocks
This is a very well designed and built back up sight. It tucks down flat and pops up when needed. I did not realize it should not be used on a gas b...
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Magpul front sight

by madmac, from United States, WV Written on February 26, 2015
The Magpul MBUS front flip up sight is an excellent addition for an M4 platform. The sight is easy to install and easy to zero as Magpul includes a sight adjustment tool with the from sight. 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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Great choice

by MB, from United States, CA Written on February 18, 2015
I like the Magpul MBUS front sight because it functions flawlessly and is very economical. Its design is efficient and its size is not too large. I prefer the non-metallic material because of its elasticity....
Would recommend: Yes
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Well made...

by kingspawn, from United States, OH Written on January 27, 2015
This sight works perfectly on on a front rail that is the same height as the back rail. Although I haven't given it the "hammer" test, it appears to be constructed with a very substantial high grade of plastic. It works thru the optics of my EO-tech reflex sight. Much easier than using offset sights....
Would recommend: Yes
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Good product

by OutEast, from United States, MD Written on January 12, 2015
Functional for light use (range days/limited volume shooting and easy handling). Definite weight savings and decent asthetics but BUIS preferred for hash environments/critical applications. Easy to adjust, install and remove....
Would recommend: Yes
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Perfect back up

by Mike, from United States, IN Written on January 8, 2015
Excellent quality and very functional, easy to install and sight in!! I have these sights installed on two of my AR platforms and they work fantastic. they are completely out of the way while using primary optics but easily flip up to provide reliable back-up....
Would recommend: Yes
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Couldn't Ask For More

by Dallas Stewart, from United States, CA Written on November 15, 2014
Like it says, i couldn't really ask for more for the money. Bought it in FDE and matched the rest of my furniture perfectly. Easy to install, fits great and feels like it was built to last. Being made of plastic made me pause at first,not to worry, this thing is sturdy! Would gladly buy another or recommend to anyone looking for a good, cheap, back up sight....
Pros:
  • Cheap
  • Sturdy
Cons:
  • made of plastic
Would recommend: Yes
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Works perfect

by Nickname, from United States, CA Written on October 6, 2014
Sight works great as a back up or primary one. Installed it on my AR-10 and worked perfectly after it's first day at the range. Love the way it flips up for fast use when needed but lays flat against the rail for mobility when using my scope. Always excellent service from Opticsplanet....
Would recommend: Yes
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Great Back up sight

by PAguy, from United States, PA Written on September 22, 2014
Great back up sight, easy to mount,install and zero. Solid construction they appear to be very tough even though they're polymer. Sights are very lite and also have a low profile, which will allow mounting of a magnifier over the rear sight without interference....
Would recommend: Yes
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Finishing touch for a FDE build!

by JJ, from United States, TN Written on September 5, 2014
I bought both a front and rear sight. Perfect finishing touch to a FDE build. Magpul quality you can count on. They won't let you down when you need them. Beware of EBAY fakes, always buy from a reputable source like Optics Planet!...
Pros:
  • quality product
Cons:
  • None.
Would recommend: Yes
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Flip up sights

by johnnyp, from United States, CO Written on August 31, 2014
I love how it flips out of site for the use of other sights. But, I can always if something fails i can take the failed piece off and have my flip up sights for back up !!!All in all you can have them for back ups or them are easy to use as a open sight for your AR...
Would recommend: Yes
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Comments on 24 User Reviews of Magpul MBUS Front Flip-Up Back Up Sight Gen 2