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Magpul Industries MBUS Rear Flip-Up Back Up Sight Gen 2 Up to 21% Off — 8 models

Special offer available for this product. Click here to see!
Magpul Industries MBUS Rear Flip-Up Back Up Sight Gen 2
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Black MAG248BLK
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Fits Picatinny, Grey MAG248GRY
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
Magpul MBUS Front and Rear Flip Sights Set, Grey, MPIMAG247GRY-KIT2
Magpul MBUS Front and Rear Flip Sights Set, Olive Drab Green
Magpul MBUS Front and Rear Flip Sights Set, Black, MPIMAG247BLK-KIT2
Magpul MBUS Front and Rear Flip Sights Set, Flat Dark Earth, MPIMAG247FDE-KIT2
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Black MAG248BLK
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Black MAG248BLK
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Fits Picatinny, Grey MAG248GRY
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Fits Picatinny, Grey MAG248GRY
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Black MAG248BLK
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Fits Picatinny, Grey MAG248GRY
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
Magpul Industries MBUS Rear Flip-Up Back Up Sight Gen 2
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Magpul Industries MBUS Rear Flip-Up Back Up Sight Gen 2
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Black MAG248BLK
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Black MAG248BLK
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Fits Picatinny, Grey MAG248GRY
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Fits Picatinny, Grey MAG248GRY
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
Magpul MBUS Front and Rear Flip Sights Set, Grey, MPIMAG247GRY-KIT2
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Magpul MBUS Front and Rear Flip Sights Set, Grey, MPIMAG247GRY-KIT2
Magpul MBUS Front and Rear Flip Sights Set, Olive Drab Green
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Magpul MBUS Front and Rear Flip Sights Set, Olive Drab Green
Magpul MBUS Front and Rear Flip Sights Set, Black, MPIMAG247BLK-KIT2
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Magpul MBUS Front and Rear Flip Sights Set, Black, MPIMAG247BLK-KIT2
Magpul MBUS Front and Rear Flip Sights Set, Flat Dark Earth, MPIMAG247FDE-KIT2
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Magpul MBUS Front and Rear Flip Sights Set, Flat Dark Earth, MPIMAG247FDE-KIT2
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Black MAG248BLK
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Black MAG248BLK
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Black MAG248BLK
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Black MAG248BLK
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Fits Picatinny, Grey MAG248GRY
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Fits Picatinny, Grey MAG248GRY
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Fits Picatinny, Grey MAG248GRY
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Fits Picatinny, Grey MAG248GRY
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Black MAG248BLK
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Black MAG248BLK
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Fits Picatinny, Grey MAG248GRY
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Fits Picatinny, Grey MAG248GRY
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE
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Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE

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Questions & Answers
What front and rear sights would you recommend for am15 Expert Answer

The Magpul Industries MBUS Front/Rear Flip-Up Back Up Sights would be a great addition to any AR platform rifle such as your AM15. Any sight set that provides a 1.4" centerline height would be ideal for an AR platform rifle.

by Ethan, Gear Expert, February 8, 2023
Can I use on a on a Modmat 9 SBF Expert Answer

Yes, the Magpul Industries MBUS Rear Flip-Up Back Up Sight Gen 2 would fit and function as intended mounted to your MODMAT-9 SBF.

by Ethan, Gear Expert, November 4, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review Awesome back up sights by Rafael, October 14, 2021
These sights are light weight and great as back up sights. The gray color looks awesome! They tuck away under the optics. Very accurate. Easy to install and remove. I highly recommend these sights in gray color!
2/2 found this helpful
Helpful Positive Review Well-built functional sights by page71, Verified Owner, May 13, 2021
Very well built yet lightweight backup sights. No play whatsoever in their operation, whether folded down or upright and in use. The multiple apertures on the rear sight stow flat, thus maintaining a low profile and minimizing interference with othe...
Read More...
1/1 found this helpful
Helpful Positive Review Good Product by J Bone, Verified Owner, June 14, 2021
Great product. Helps when you need a set of back up's. Quality product backed by great company. . Must get item for any AR builder. You will not be disappointed by the item and the service. Will order from the site again.
1/2 found this helpful
Helpful Positive Review What’s not to like? by GAguy, July 28, 2021
Quick n easy FDE backup sights should be a no brainer. Easy to install, looks great, easy to flip up when needed and out of the way when not. These look great on a black broomstick, and fit snugly. I have them in black, FDE, and a few other colors, a...
Read More...
1/1 found this helpful
Helpful Positive Review Using with Aimpoint by Mountain Jack, March 25, 2015
This is a very solid build. Everything about it is tight including putting it on the rail but that is fine. I Co witnessed it with my new Aimpoint Pro. It is very nice. I have several Magpul products on my AR and they all are high quality and serve t...
Read More...
2/2 found this helpful
Helpful Positive Review Excellent Product, Great Price - Buy from OPTICS PLANET! by Anonymous, January 23, 2023
GET ONE OF THESE NOW! You won't want your firearm to be almost useless. It's a good idea to have one of these, in case the electronics in your red dot sight gets fried/fails. MADE IN USA! Opticsplanet has excellent customer service! Good products, go...
Read More...
1/1 found this helpful
Read All 310 Reviews

Best Rated Product

Our customers have spoken – this is one of the best rated products in the AR15 Accessories category! See more best rated AR15 Accessories products
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Product Info for Magpul Industries MBUS Rear Flip-Up Back Up Sight Gen 2

The Magpul MBUS Rear Gen 2 Flip-Up Back Up Sight is perfect for use in conjunction red-dot sights and other optics as a 1/3 cowitness of a back up sight in case the batteries or other electronics fail. These AR 15 Parts from Magpul Industries are spring loaded for fast engagement and easily clamp for Mil Spec 1913 Picatinny rail systems. The Magpul MBUS Rear Gen II Flip-Up Back Up Sight features a dual aperture and is easily adjustable for windage. Impact resistant polymer is durable and dependable in most demanding situations. The Magpul MBUS Rear Gen 2 Flip-Up Back Up Gun Sight proves to be an essential part of an operator's weapon system.image

Specifications for Magpul Industries MBUS Rear Flip-Up Back Up Sight Gen 2:

Manufacturer: Magpul Industries
Condition: New
Sight Mounting Orientation: Top Mounted
Sight Position: Rear
Gun Model: AR-15
Deployable: Yes
Fabric/Material: Polymer
Attachment/Mount Type: MIL-STD 1913
Height: 0.51 in
Length: 1.5 - 2.6 in
Hand: Ambidextrous
Weight: 1.3 oz
Adjustment Click Value: 0.5 MOA

Features of Magpul Industries MBUS Rear Flip-Up Back Up Sight Gen 2:

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. .

SPRING-LOADED FLIP UP SIGHT
Spring-loaded flip up sight easily activated from either side or by pressing the top
Protective wings shield the dual, same plane flip apertures
Sight can still be folded with either large or small aperture in position
Detent knob easily and positively adjusts windage
IMPACT-RESISTANT POLYMER CONSTRUCTION
Polymer construction provides light weight and resists operational abuse
DETENT AND SPRING PRESSURE KEEPS SIGHT ERECT
Detent and spring pressure keeps sight erect but allows for unobstructed folding under impact, etc.
CLAMPS TO MOST MIL-STD-1913 PICATINNY RAILS
Clamps to MIL-STD-1913 Picatinny/STANAG 4694 receiver rail and provides the same height-over-bore as standard A2 irons

Package Contents:

  • Magpul MBUS Rear Gen II Flip-Up Back Up Sight

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Magpul Industries MBUS Rear Flip-Up Back Up Sight Gen 2 Orderable Models

List of Orderable Models

Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Black MAG248BLK , MPN: MAG248-BLK , UPC: 873750004358 , Code: 55-IRN-MAG248-MAG248BLK
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Fits Picatinny, Grey MAG248GRY , MPN: MAG248-GRY , UPC: 873750011493 , Code: 55-IRN-MAG248-MAG248GRY
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, OD Green MAG248OD , MPN: MAG248-ODG , UPC: 873750004372 , Code: 55-IRN-MAG248-MAG248OD
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth MAG248FDE , MPN: MAG248-FDE , UPC: 873750004365 , Code: 55-IRN-MAG248-MAG248FDE
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Grey, MPIMAG247GRY-KIT2 , MPN: 250-004-923-KIT1 , Code: 55-IRN-MAG248-MPIMAG247GRY-KIT2
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Olive Drab Green , MPN: 250-004-922-KIT1 , Code: 55-IRN-MAG248-MPIMAG247OD-KIT2
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Flat Dark Earth, MPIMAG247FDE-KIT2 , MPN: 250-004-924-KIT1 , Code: 55-IRN-MAG248-MPIMAG247FDE-KIT2
Magpul MBUS Rear Flip-Up Back Up Sight Gen 2, Black, MPIMAG247BLK-KIT2 , MPN: MPIMAG247BLK-KIT2 , Code: 55-IRN-MAG248-MPIMAG247BLK-KIT2

Magpul Industries MBUS Rear Flip-Up Back Up Sight Gen 2 Unavailable & Discontinued Models

List of Unorderable Models

Magpul MBUS Rear Flip Sight, Gen 2, Foliage Green MAG248FOL , MPN: MAG248-FOL , UPC: 873750004389 , Code: 55-IRN-MAG248-MAG248FOL
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