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AR-15 MBUS Front Back Up Flip Sight Magpul OD Green Gen 2 Fits Mil-Spec 1913 Picatinny Rail Lightweight Polymer

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Typically ships the same business day when ordered before 4pm CST.
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Based off of the AR-15/M16 front sight, the Magpul MBUS Gen 2 front flip up sight is a durable color-injection molded folding back up sight. It conveniently folds down and locks into place but flips up with just a press of the button. Elevation adjustable, quickly mounts to any mil-spec 1913 Picatinny rail.

Pair it up with our Magpul MBUS Front Flip Up Sight (ARR-850).

NOTE: Cannot be mounted to a railed gas block due to excess heat issues. Front MBUS must be mounted to a railed fore end on the same plane as the receiver rail.

Made in the USA. 

Item#: ARR-878
Total number of Reviews: 1

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3.0 5
"Bought a set of these for my AR, and mounted on the gas block. My only complaint is that when raising the front sight post, it gets loose and won't hold its place. It should be okay once I install it on a quad rail though. Other than that, it looks good and feels sturdy. Probably the most expensive piece of plastic I've ever bought though."
– BM3