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Magpul MBUS AR15 Rear Sight Gen 2 Back Up Flip Up Rear Sight Polymer Black MAG248-BLK

Ships from Warehouse 3
Typically ships within 1 to 2 business days.
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Magpul makes high quality injection molded parts and accessories, primarily for the AR15 rifle platform, right here in the USA. Polymer backup sights are popular for several reasons, including low weight, quiet operation, and durability. High quality polymer can take a certain amount of abuse without breaking, and still return to its original form, unlike metal, which may permanently deform, or even break.

The MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight.

The dual aperture MBUS Rear Sight is adjustable for windage and fits most 1913 Picatinny rail equipped weapons, but is specifically tailored to the AR15/M16 platform.


Item#: 3-1028450,6-1028450
Total number of Reviews: 3

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5.0 5
"Great sight. Plastic, but for the money, you can't beat it. Really like how quick it flips up."
– Clint
5.0 5
"The fastest zeroing I ever had the pleasure to do. Stays put round after round."
– catss350
5.0 5
"Great set of sights and great price/fast shipping from CTD."
– Eric B