Welcome to Cheaper Than Dirt! Shop 200,000+ deals on firearms, ammunition, gun parts, survival gear and more. All in stock and ready to ship.

Magpul MBUS Gen 2 Flip-Up Rear Sight AR-15 Picatinny Compatible Injection Molded Polymer Flat Dark Earth

Typically ships the same business day when ordered before 4pm CST.
Add To Wishlist Tell A Friend
Can we ship this to you?
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.

Specifications and Features:
Magpul MBUS Gen 2 Flip Up Rear Sight MAG248-FDE
Injection Molded Folding Back Up Sight
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 MIL-STD-1913 Picatinny/STANAG 4694 receiver rail and provides the same height-over-bore as standard A2 irons
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
Made in the USA
Overall Weight 1.3oz
Overall Height Stowed .51"
Overall Length Stowed 2.6"
Center of Aperture to top of rail 1.42"
Flat Dark Earth

AR-15, AR-10, DPMS-LR308 and similar pattern variants
Note: 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#: ARR-875
Total number of Reviews: 5

Submit a review

5.0 5
"Was a little skeptical about the polymer, but seeing so many people with these and for the price I figured I would give it a try. Zeroed it today easily, very solid and matches all other parts nicely. Magpul and CTD has done it again, and thanks for the 2 day shipping!"
5.0 5
"I bought this rear sight along with the matching front site for my flat top DPMS AR-15. Sturdy construction, love how it lays flat when not in use. It fits great underneath my Nikon M-223 scope mounted on a Rock River 1\" quick release mount. The rear sight has two peeps built into one, it's hard to tell from the picture and I didn't know this until receiving the piece. There is a small peep for daytime, more accurate shooting that gives a smaller sight picture, this smaller peep can be flipped forward for a slightly larger peep that I use at night and at close range. Overall, every bit the great products we've come to expect from Magpul."
5.0 5
"Awesome sight and fits perfect on my Del-ton upper. Great idea, I love Magpul products."
5.0 5
"these sights are incredible i believe for the price and quality they are the best on the market great buy"
5.0 5
"truly amazing sights when i get another Ar these sights will be the only ones i order thanks CTD and Magpul"