Weaver AR-15/M16 Thumb-Nut Flat Top Riser Rail - Precision Elevation Mount

The Weaver AR-15/M16 thumb-nut flat top riser rail is a no-fuss optics mount designed to get your scope or red dot set at the right height without fumbling with tools. Built from aircraft-grade 6061-T6 aluminum and finished in durable black matte, this riser sits on your flat-top receiver and lets you dial in eye relief exactly where you need it. Whether you're mounting a low-power variable optic for hunting or stacking a red dot on a precision rifle, the multiple mounting slots give you the flexibility to find the sweet spot for your specific combination of rifle, rings, and glass.

The standout feature here is the thumbnut design—it lets you attach and detach the rail without reaching for a wrench or Allen key. That means faster setup at the range, easier switches between optics if you're testing loads, and one less thing to carry in your bag. The engineering prioritizes real-world usability: you get the elevation adjustment you need and the solid platform that matters, without overcomplicating a straightforward job.

Weaver has a long track record in the AR platform space, and this riser reflects that heritage—solid engineering, proven materials, and a finish that holds up. If you're running an AR-15 or M16-pattern rifle and need to get your optic at the right height and angle quickly, this is a no-nonsense option that works.

Key Features

• Multiple mounting slots for flexible eye relief positioning
• Thumbnut attachment—install and remove without tools
• Aircraft-grade 6061-T6 aluminum construction for strength and durability
• Black matte finish resists glare and corrosion
• Optimized mounting height for standard ring and optic combinations
• Compatible with AR-15 and M16 flat-top receivers

Specifications

Frequently Asked Questions

Will this riser work on my AR-15?

Yes. This riser is designed for AR-15 and M16 flat-top receivers, so it will fit any standard modern AR platform with a flat-top rail system.

Do I need special tools to install or remove it?

No. The thumbnut design lets you attach and detach the riser by hand, without tools.

What height does this riser add to my optic?

The riser is engineered to provide optimal mounting height for standard ring and optic combinations, but the exact height will depend on which rings and scope you're using. The multiple slots allow you to fine-tune eye relief for your specific setup.

Can I use this with any scope or red dot?

Yes, provided your scope or red dot comes with standard Picatinny or Weaver-compatible rings. The riser itself is a platform—compatibility depends on your choice of optic and rings.