Burris AR-F3 Flat-Top FastFire Mount for AR-15, Picatinny-Style, Matte Black

The Burris AR-F3 flat-top FastFire mount is a Picatinny-compatible base designed to put a FastFire red dot right where you need it on your AR-15. This is a straightforward, rugged solution for shooters who want to add or swap a compact reflex sight on a flat-top receiver without replacing the upper. The matte black finish blends seamlessly with modern AR builds and won't catch light at the range or in the field.

If you run a FastFire on your AR platform, mounting options matter. The AR-F3 bolts directly to your existing Picatinny rail, so installation is quick and doesn't require gunsmithing. Burris built this mount with the durability expectation you'd have from a name that's been in optics since 1971—it's made to stay put through thousands of rounds and years of use.

This mount works best for shooters who want a compact sight footprint without the bulk of a full-size tube scope. Whether you're setting up a precision AR for match use, a hunting rifle, or a home-defense carbine, the AR-F3 keeps your FastFire low and co-witnessed with your iron sights (if you run them). The profile stays low enough that most AR handguards and optic combinations work together without interference.

Key Features

• Picatinny-compatible design for standard AR-15 flat-top receivers
• Engineered for Burris FastFire red dot sights
• Matte black anodized finish resists corrosion and glare
• Solid, repeatable mounting for reliable sight return

Frequently Asked Questions

Will the Burris AR-F3 work with any red dot, or just FastFire?

This mount is engineered specifically for Burris FastFire red dots. Using it with other optics may not provide secure or proper alignment, so stick with FastFire for best results.

Does the AR-F3 mount fit any AR-15 platform?

The mount is designed for AR-15 flat-top receivers with Picatinny rail. If your upper has standard Picatinny slots, it will fit.

Is this mount made by Burris, or is it a third-party option?

The AR-F3 is a Burris original, engineered and manufactured by the same team behind Burris optics. You get the quality and support that comes with buying directly from the maker.