The Best Backup Iron Sights (BUIS)

For most of us, our rifles are only as effective as our optics. But if your optics are powered by batteries, as are all red dot and other electrical sights, then those batteries will eventually run dry (often at the worst time) leaving you without any sights whatsoever.

Backup iron sights, or BUIS, are a great alternative to using another electrical optic. These sights will never fail you because of lack of power and can often be sprung up or engaged only when necessary.

They’re also great additions for rifles that would otherwise only use long-distance optics, like scopes, as those won’t offer you any kind of fixed sight.

Today, let’s break down the best backup iron sights on the market. This article is part of our ongoing Guide to Everything AR.

By Michael Crites

Michael Crites is el jefe around here. He has spent more than 30 years shooting, learning about guns, and collecting firearms old and new. He holds his Oregon Concealed Handgun License, and enjoys testing products in the back 40 of his farm.

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