The 10 Best Flip Up Sights

Updated April 30, 2018 by Chase Brush

10 Best Flip Up Sights
Best High-End
Best Mid-Range
Best Inexpensive
We spent 26 hours on research, videography, and editing, to review the top choices for this wiki. Even novice shooters know that the quickest way to an accurate shot is through a reliable firearm sight. These flip-up models are there when you need them, but they can also conveniently and quickly fold down when you don't, making them great for hunters or other sharpshooters on the move, or as a backup when your gun's primary device fails. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best flip up sight on Amazon.

10. Dagger Defense BUIS

These Dagger Defense BUIS are manually-operated units that will come in handy when your main device fails or you want to simplify your current setup. They may not meet military standards, but they're fairly accurate and look great on most semi-automatic rifles.
  • crescent front piece
  • aircraft-grade aluminum
  • too much play in adjustment knobs
Brand DD DAGGER DEFENSE
Model pending
Weight 5.6 ounces
Rating 3.8 / 5.0

9. Evans Unlimited 45 Degree

With an offset -- as opposed to top rail -- mounting position, the Evans Unlimited 45 Degree is a true back-up sight. Just roll your rifle into your cheek slightly to line up the front and rear parts, which can be set up painlessly using a flathead screwdriver.
  • suitable for left and right eyes
  • sleek and simple design
  • not as strong as other options
Brand GVN
Model pending
Weight pending
Rating 3.5 / 5.0

8. Trinity Force Tactical

The front piece in this Trinity Force Tactical set has a large, easy-to-reach knob that allows you to tune its post on the fly based on elevation and distance. It's an extremely affordable option, even though it may not be as robust as other higher-end models.
  • horseshoe design
  • great value for the price
  • knob can be difficult to turn
Brand Trinity Force
Model pending
Weight 8 ounces
Rating 4.1 / 5.0

7. GRG Iron Sight

Constructed of aircraft-grade aluminum and heat-treated for toughness, the GRG Iron Sight is an extremely hardy set that can stand up to extended periods of uncompromising use. They're the perfect addition to any customized rifle, but particularly AR-15s.
  • made to military specifications
  • hard anodized exterior
  • don't fold down totally flat
Brand Field Sport
Model AC-FRSAL
Weight 4 ounces
Rating 4.3 / 5.0

6. Mako Group FAB Defense

Polymer units usually aren't quite as accurate as metal ones, but these Mako Group FAB Defense get pretty close. Designed to be as easy to use for the left-handed as the right, they're a well-rounded choice that should satisfy the recreational and hardcore marksman alike.
  • can be adjusted without tool
  • lightweight construction
  • can feel a little stiff
Brand Mako Group
Model F/RBS
Weight 4 ounces
Rating 3.9 / 5.0

5. Diamondhead USA Polymer

Whether you're at the range or performing drills at boot camp, these Diamondhead USA Polymer will be there when you need them. Uniquely angled apertures plus NiteBrite photo-luminescent inserts help increase visibility and accuracy in both bright and low-light settings.
  • backed by lifetime warranty
  • inserts charge in natural light
  • can be difficult to install
Brand Diamondhead USA
Model 1499
Weight 7.5 ounces
Rating 3.9 / 5.0

4. Magpul MBUS Generation II

The Magpul MBUS Generation II feature an impact-resistant polymer construction that makes them extremely lightweight and, as they're also spring-loaded, easy to operate. They can be activated in a matter of seconds by pressing either side or the top of the units.
  • compatible with most receiver rails
  • protective wings around apertures
  • also come in grey and olive green
Brand Magpul
Model MAG247/MAG248
Weight 5.1 ounces
Rating 4.6 / 5.0

3. UTG Rear Low Profile

The UTG Rear Low Profile is a compact unit that incorporates a spring-loaded posi-lock design, allowing you to put it up and down with as little effort as possible, and keep it there despite movement. The universal mounting deck locks easily onto any Picatinny rail.
  • includes 3mm allen wrench
  • compatible with utg front sight
  • recessed base eliminates retention
Brand UTG
Model MNT-955
Weight 0.3 ounces
Rating 4.6 / 5.0

2. Magpul MBUS Pro

If you're looking for an option that performs as well as a standalone device as it does a backup one, you can't do much better than the Magpul MBUS Pro. They're made from solid steel with a Melonite finish for quality, strength and durability.
  • rear piece adjusts without a tool
  • compatible with ir laser
  • made in the usa
Brand Magpul
Model MBUSPROSET
Weight 5.6 ounces
Rating 4.9 / 5.0

1. Ozark Armament Battle

The competitively-priced Ozark Armament Battle are fully adjustable for windage and elevation, making them accurate in almost any shooting environment. They deploy easily, but also feature a low profile when not in use, so they won't get in the way until you need them.
  • backed by 1 year warranty
  • made of strong aluminum
  • precision and cqb apertures on rear
Brand Ozark Armament
Model pending
Weight 4.2 ounces
Rating 4.6 / 5.0

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Last updated on April 30, 2018 by Chase Brush

Chase is a freelance journalist with experience working in the areas of politics and public policy. Currently based in Brooklyn, NY, he is also a hopeless itinerant continually awaiting his next Great Escape.


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