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Magpul

Magpul MBUS Flip-Up Backup Sights

    • Based on 7,598 reviews
Condition: New
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Availability: In Stock.
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Arrives Sunday, Nov 24
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Color: Flat Dark Earth


Style: Rear Sight


Pattern Name: Sights


Features

  • Impact resistant polymer construction provides light weight and resists operational abuse
  • Spring-loaded flip up sight easily activated from either side or by pressing the top
  • Detent and spring pressure keeps sight erect but allows for unobstructed folding under impact, etc.
  • Clamps to most any MIL-STD-1913 Picatinny/STANAG 4694 rail and provides the same height-over-bore as standard A2 irons
  • Protective wings shield the spring-locking A2 front sight post; Elevation adjustment tool included, but most aftermarket A2 front sight adjustment tools may be used as well

Description

The MBUS (Magpul Back-Up Sight) is a low-cost, color injection molded, folding back-up sight. The MBUS Front Sight is adjustable for elevation and fits most 1913 Picatinny-railed hand guards. Made in U.S.A. Impact resistant polymer construction provides light weight and resists operational abuse. Spring- loaded flip up sight easily activated from either side or by pressing the top. Detent and spring pressure keeps sight erect but allows for unobstructed folding under impact, etc. Clamps to most any MIL-STD-1913 Picatinny/STANAG 4694 railed hand guards and provides the same height-over-bore as standard A2 irons. Protective wings shield the spring-locking A2 front sight post. Elevation adjustment tool included, but most aftermarket A2 front sight adjustment tools may be used as well. 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. Because of this the sight is also not compatible with MOE Hand Guards.

Brand: Magpul


Color: Flat Dark Earth


Style: Rear Sight


Sport: Hunting


Item Weight: 0.08 Pounds


Material: Polymer


Magnification Minimum: 1 x


Compatible Devices: Picatinny Mount


Mounting Type: Picatinny Mount


Night vision: No


Brand: ‎Magpul


Color: ‎Flat Dark Earth


Style: ‎Rear Sight


Sport: ‎Hunting


Item Weight: ‎0.08 Pounds


Material: ‎Polymer


Magnification Minimum: ‎1 x


Compatible Devices: ‎Picatinny Mount


Mounting Type: ‎Picatinny Mount


Night vision: ‎No


Item Package Dimensions L x W x H: ‎7.36 x 4.13 x 0.75 inches


Package Weight: ‎0.05 Kilograms


Item Dimensions LxWxH: ‎7.5 x 1 x 4.25 inches


Brand Name: ‎Magpul


Model Name: ‎MBUS Flip-Up Backup Sights


Suggested Users: ‎unisex-adult


Number of Items: ‎1


Manufacturer: ‎Magpul Industries Corp.


Part Number: ‎MAG248-FDE


Model Year: ‎2012


Included Components: ‎Magpul MBUS Flip-Up Backup Sights, Flat Dark Earth, Rear Sight


Size: ‎One Size


Date First Available: August 11, 2009


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Nov 24

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • With a bit of common sense, you too can be satisfied
Color: Flat Dark Earth Style: Front Sight Pattern Name: Sights
Okay, I want to talk a bit about these sights. Magpul makes good stuff, and they are innovative. I have two sets of these sights mounted to a couple of my AR15's. They are lightweight, low profile, durable, economical, and very user friendly. Just click or karate chop it, and it flips up. Push it down and it locks back down. That's it! No weird cross pin style locking mechanisms, no need to push up and lock into place. When time is of the essence, just reach up with your thumb and CLICK! It's in place faster than you can blink an eye! Good sight picture front and rear. They sit really low on the rail when not used. Installation is simple. Just push it on from the end of your AR15's picatinny rail, locate your preferred mounting spot, and put the provided screw through the sight and rail and tighten it with a screwdriver. Really, these sights are idiot-proof... or are they? Magpul should not have to put a disclaimer stating not to mount polymer sights to gas blocks. I figured it was only common sense, but after reading the interwebz and a couple of reviews from here, there are people out there who actually figured you could mount these to gas blocks, until they read the fine print... and the blamed the sights themselves. Like I said, I figured it was common sense, but then again, McDonald's was sued because a woman spilled her coffee in her lap and the cup wasn't labeled "HOT COFFEE." Go figure. Additionally, these sights are engineered to sit on top of accessory rails (rears on AR15 flat top receivers). Of course, you can mount them to other guns, but I'm speaking to the other group of people who can't get them to sight in right because they disregarded common sense and logic and actually mounted these sights to gas blocks, and then fired the gun! Most gas blocks sight below rail height. If you want a gas block mounted sight, buy one specifically designed with the extra height (and metal) in mind. Just don't go around dogging these sights because you didn't read before you installed them. As for durability, some people are saying that because they are plastic, they will break. Okay, well then how do you explain Glocks, FN's, XD's, M&P's and such? Oh I'm sure some have broken, but most plastic guns that are fighting in wars and being used for LE, are holding up just fine to the sort of abuses they are subjected to. My AR15 is my working gun. The MBUS sights installed on it are no exception. That AR rides in the back of pickup trucks, gets used in harsh desert conditions, fears no snow, goes up the rocky mountainsides with me, and generally sees an assortment of things that safe queens and bench rest guns would never dream of. The sights have never shot loose, never cracked, warped, disintegrated, or malfunctioned in any of the ways mentioned in some of the 1-3 star reviews. In fact, despite being on my AR15 for over a year, and accompanying me on just about every outing off pavement and away from the covered range, they still look new, aside from some dirt hiding in some of the small corners. They also cowitness to the lower 1/3rd of an Aimpoint Comp M3 in a Larue LT150 mount. ... show more
Reviewed in the United States on February 5, 2014 by James Likes Cheese
    • Reliable and Versatile Backup Sighting Solution!
Color: Black Style: Front Sight Pattern Name: Sights
The Magpul MBUS Flip-Up Backup Sights are an essential addition to any firearm enthusiast's setup, providing reliable and versatile backup sighting options. With their durable construction, easy-to-use flip-up design, and trusted brand reputation, these backup sights have far surpassed my expectations, offering exceptional performance and peace of mind. The standout feature of the Magpul MBUS Flip-Up Backup Sights is their rugged construction. Made from high-quality polymer, these sights are designed to withstand the demands of real-world use, ensuring they hold up in various environments and shooting conditions. The flip-up design allows for quick and effortless deployment when needed. The spring-loaded mechanism ensures the sights lock firmly in place, providing a stable and precise aiming solution. The Magpul MBUS sights are fully adjustable for windage and elevation, allowing for precise zeroing and accurate shooting. Magpul is a trusted brand known for its top-notch firearm accessories, and the MBUS Flip-Up Backup Sights reflect that dedication to excellence. They are a preferred choice for both professional shooters and casual firearm enthusiasts alike. The low-profile and slim design of these backup sights complement any firearm without adding unnecessary bulk or interfering with other accessories. In conclusion, the Magpul MBUS Flip-Up Backup Sights are a must-have accessory for firearm owners seeking reliable and versatile backup sighting solutions. Their rugged construction, easy flip-up design, and trusted brand reputation make them the ultimate choice for ensuring accurate aiming and target acquisition when needed. If you're looking for high-performance backup sights for your firearm, the Magpul MBUS Flip-Up Backup Sights are the perfect option. I highly recommend these sights for their outstanding performance and the peace of mind they bring to my shooting experiences! ... show more
Reviewed in the United States on August 3, 2023 by Steven
    • Perfect fit
Color: Black Style: Rear Sight Pattern Name: Sights
My son won a AR-15 in a raffle, and it didn't have the flip up sights like mine. So I ordered these for him. Work well,fit well, very pleased.
Reviewed in the United States on April 11, 2024 by nc_music _lover

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