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Magpul MBUS Front Flip-Up Back Up Sight Gen 2
Starts at $37.79
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(19 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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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
0 of 0 found the following review helpful.
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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
0 of 0 found the following review helpful.
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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
0 of 0 found the following review helpful.
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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
0 of 0 found the following review helpful.
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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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Magpul MBUS Front Flip-Up Back Up Sight Gen 2

by Clint, from United States, CO Written on August 30, 2014
Excellent product, holds zero. Easily deployed. Sturdy design, several color configurations. Reasonable price and fast delivery from optics planet. Sight is quickly adjusted to zero from 25 to 300 meters for accurate rifle or shotgun...
Would recommend: Yes
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Great Quality-Great Price

by hondaracer173, from United States, NC Written on July 31, 2014
Best sight you can buy, especially considering the price. Better quality for the money compared to $100 plus Troy or Samson sights. Push button flip up functions perfectly, sighting in is a breeze. I use these as transition sights and I couldn't be happier with these sights. They do the job perfectly....
Pros:
  • GREAT PRICE
  • great quality
Cons:
  • None
Would recommend: Yes
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Solid back up

by Legacy Reviewer, Verified Owner Written on February 9, 2014
Good back up sight mounted on forend....
Would recommend: Yes
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Great for the price

by Legacy Reviewer, from United States, CA Written on October 2, 2013
Great sight for the price. Light and durable. Would highly recommend. If you want something more robust, go with a DD fixed sight.
Pros: Cheap, Durable, Does its job well
Cons: none...
Would recommend: Yes
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Not for use on Gasblocks

by Legacy Reviewer, Verified Owner Written on August 26, 2013
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 block until after I opened the package and read the fine print. Looked at other online reviews and some said they have the potential of melting due to the heat generated. I ended up obtaining a metal LMT sight for the front. Other than that, it seems like a great item. Just not for my set up.
Pros: Easy to install
Cons: Can't be used on gasblocks...
Would recommend: Yes
2 of 2 found the following review helpful.
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Comments on 19 User Reviews of Magpul MBUS Front Flip-Up Back Up Sight Gen 2