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FAB Defense Top Mounted Deployable Front and Rear Set of Flip-up Sights
As Low As $41.49 Save Up to 56%
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Most Helpful Positive Review this product was better than I expected.
Great sights, durable, easy to adjust, No tools needed to adjust, springs very tight there is No play in sights. I would definitely buy these again. Quick delivery once they were Back in stock. Cs was very helpful when I called for eta. I only wish I ordered a couple extra sets. Can always find ...
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Most Helpful Negative Review Guess they are ok.
Got a pair of these and I guess they are ok. They are NOT spring loaded like Magpul sights and the look gives your the impression of CHEAP made sights. I may end up taking these off and putting them on a throw around rifle. They look little cars when not flipped up. Guess I would recommend if your t...
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Good for the price

by Larry Sparks Jr, Verified Owner from OH, United States Written on May 2, 2026
Nothing really great about these they are what they are they look pretty good just have to pop them up manually. Haven't got out to the range to work them yet but can't beat the price.
Would recommend: Yes
Was it helpful to you? Yes | No

deployable sights

by reuben, Verified Owner from CO, United States Written on May 1, 2026
Fab defense deployable sights, are awesome, great quality made, easy to install and work great with my red dot optic. Plus look good on my rail!
Would recommend: Yes
Was it helpful to you? Yes | No

Quality could have been better

by Bubbacup, Verified Owner from VA, United States Written on April 10, 2026
The material is sturdy, they stay in place on the rail well, the FDE color is spot on. What is the problem? The rear sight aperature. There are two apperatures sizes to flip between but the "large" is actually tiny and I don't believe that is the design intention. The large apperature has an irregular inner edge, it looks as though the body wasn't cast quite right, as if too much of the polymer material was poured into the mold and the excess pooled into the bottom of the bowl of the large aperature and nobody went back to clean up the mess. If they hadn't been a "final sale" item I would have returned them. If I can't open the larger rear aperature enough with a fine point file to be usable they'll be tossed as a total loss. I was trying to save a little money after having bought the metal Magpul MBUS Pros for my other gun, I have other FAB Defense accessories that I have been pleased with, but these were a total disappointment. I wish now that I had at least gone for the polymer Magpul MBUS sights instead.
Would recommend: No
Was it helpful to you? Yes | No

Good Sights

by boogieman, Verified Owner from GA, United States Written on April 4, 2026
First set of FAB iron sights and pretty satisfied so far. Enjoy the looks, design, and the manual flip-up. The ODG goes well with the build as well.
Would recommend: Yes
Was it helpful to you? Yes | No

Do not buy!

by James Zimmerman, Verified Owner from VA, United States Written on March 31, 2026
Save your money and buy something else. Revived product with striped Allen bolts and sight peeps that are not fully drilled out.
Would recommend: No
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FAB Iron sights

by Zozzal, Verified Owner from TX, United States Written on March 31, 2026
Visually, they look great. Having these mounted on offset rails i can say that getting these to track according to their adjuster dials past 15 yards is a chore and a half. Inside 15 yards they're great sighting at 25yds is almost impossible. Personal opinion just save money for quality irons like Troy industry or the like.
Pros:
  • light weight
  • Visually pleasing
Cons:
  • Difficult
  • Borderline impossible at range
Best Used for:
  • A gun you shoot recreationally
  • NOT FOR DUTY WEAPON OR OFF DUTY CARRY
Would recommend: No
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Wrong Allen 5/64” in Package !

by Lucky Ned Pepper, Verified Owner from CA, United States Written on January 3, 2026
Allen key would not fit rear sight unless the allen head was damaged. Please send new nut and bolt.
Would recommend: No
0 of 1 found the following review helpful.
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Flip Sights

by Rolly, Verified Owner from TX, United States Written on December 6, 2025
They are good quality Flip up Sights works great on my Rifle Shipping was fast from Optics Planet And always good deals
Would recommend: Yes
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Will do the job

by Hellmutt, Verified Owner from MT, United States Written on December 2, 2025
Light,strong and easy on the eye.They are as advertised.
Would recommend: Yes
Was it helpful to you? Yes | No

FAB flip-up sights

by Roy Batty, Verified Owner from KY, United States Written on November 26, 2025
Quality product. Very happy with the fit and function of these sights. Very glad I chose these over the Magpul. Work perfectly on my Zion.
Would recommend: Yes
Was it helpful to you? Yes | No
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