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MBUS® FLIP-UP SIGHT SET FOR AR-15 Reviews & Ratings

Low-profile, flattop-mounted, polymer sights deploy instantly at the touch of a finger to provide backup sighting if a primary optic fails. Streamlined contours mean there’s nothing to snag on brush, sling, or other gear when folded. Spring-loaded ambidextrous release mechanism lets you hit the grooved tab on either side of the sight to deploy, and lock it in place. Hitting the same tabs retract the sight when you’re done. Uses less than 1" of MIL-STD 1913 Picatinny receiver rail space and locks securely in place with the included steel crossbolt.

Provides the same height over bore as standard A2 iron sights. Windage-adjustable rear sight has two apertures: a large, .185" peep and a .070" peep.

Designed for AR-type rifles and carbines, fits any weapon with Picatinny rails. Front sight must be mounted on a railed forend on the same plane as the receiver rail to witness correctly with rear sight. Not compatible with railed gas blocks or the MOE handguard.

SPECS

Reinforced, injection-molded polymer
Black, Flat Dark Earth, Stealth Gray, Olive Drab Green
Heights measured from top of rail to top of sight.
Rear Sight - 1.5” (3.8cm) long deployed, 2.6” (6.8cm) long folded, 1.2” (3cm) wide, .5” (1.3cm) high folded, 1.6” (4cm) high extended. Large aperture, .185” (4.7mm) diameter. Small aperture, .070” (1.8mm) dia. Front Sight - 1.5” long deployed, 2.5” (6.3cm) long folded, 1.2” wide, .5” high folded, 1.5” high extended. Sight post .070" (1.7mm) wide.

See all of our AR15s and AR15 parts here.

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3 Stars

Reviews Summary

The MBUS® Flip-Up Sight Set has garnered mixed reviews. Many praise its functionality, ease of installation, and affordability, while some report durability issues, such as parts breaking. Although a few mentioned the peep size as small for quick shooting, the majority appreciate the overall design and versatility as a backup option for firearms.

What Reviewers Are Saying

Product Durability

25%

Durability receives mixed feedback. While several users praise the sturdiness and performance over time, others report issues such as parts breaking or malfunctioning after minimal use, leading to disappointment. This highlights the inconsistency in quality and reliability among users.

Functionality and Ease of Use

60%

Many reviewers commend the sight set for its effective functionality and straightforward installation process. Users highlight the ease with which they can deploy the sights and the clarity of the sight picture, making them favorable for both backup use and primary sighting needs.

Value for Money

55%

A significant number of reviews appreciate the affordable pricing of the MBUS sights compared to metal alternatives, acknowledging its accessibility for those on a budget. Numerous customers feel that they provide a quality product at a reasonable price, enhancing overall satisfaction.

Adjustment Issues

30%

Some users expressed frustration regarding the adjustment process. While most find them easy to zero, others experienced issues such as requiring additional effort or tools for installation or modification to properly fit their rails.

Aperture Size

15%

A few reviews mention the size of the peep aperture, noting it can be too small for rapid shooting. This highlights a potential design flaw for those who engage in speedy target acquisition, suggesting that a larger option could improve the product's appeal.

Customer Service and Support

20%

Some customers reported positive interactions with customer service, particularly regarding product replacement and warranty support. This reflects well on the brand's commitment to customer satisfaction, despite the variability in product quality.

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Came apart in my hand-Expensive plastic

The whole front sight came apart in my hand after I mounted the base and attempted to flip up the sight, which is on a spring. The whole thing came apart and I was really dismayed. The pin that hold the 2 halves together had come out, and I had to look at the photos online to figure out how to reassemble the component had come off and fit it under the wire end of the spring. I got it back together, and I hope it never comes apart again, but I doubt it. I should have purchased the metal Skurmish sights from LWRC. Far superior.