Am Def Holosun Aems Qr

The American Defense Holosun AEMS QR mount is a quick-detach optic mount purpose-built for the Holosun AEMS red dot, giving you the flexibility to transition your sight between rifles or stow it during vehicle storage. If you're running a quality red dot on your AR or 9mm and want rock-solid repeatability without breaking the bank on proprietary hardware, this is what you're after. American Defense machines these from 6061-T6 aluminum and applies hard-coat Mil-Spec anodize—the finish holds up through years of field use and doesn't show wear like cheaper alternatives.

The standout feature here is the patented QD Auto Lock lever system. Unlike mounts that demand special tools or precise rail tolerances, this one accommodates both in-spec and out-of-spec Picatinny rails and adjusts with your finger or a flat-blade screwdriver. That flexibility matters when you're dealing with mixed uppers, older lowers, or gear from different manufacturers. You can also configure the lever to lock toward the front or rear of the gun—a small detail that matters when you're building around a rail-mounted light or pressure pad.

The 1.93" height sits your glass at lower 1/3 co-witness with standard iron sights, putting the dot at a comfortable neck weld for most shooters and letting you use backup sights if your dot ever goes dark. It's the working height for close-quarters rifles and duty setups.

Key Features

• QD Auto Lock lever system—no proprietary tools needed
• Finger-adjustable or flat-blade compatible for rail centering
• Lever configurable to lock front or rear
• 6061-T6 aluminum with hard-coat Mil-Spec anodize for durability
• Accommodates in-spec and out-of-spec Picatinny rails
• 1.93" height for lower 1/3 co-witness setup

Specifications

Frequently Asked Questions

Will this mount work with my Holosun AEMS red dot?

Yes. The American Defense Holosun AEMS QR mount is designed specifically for the Holosun AEMS red dot.

What rail systems does this mount fit?

The QD Auto Lock lever system accommodates both in-spec and out-of-spec Picatinny rails, so it will work with most AR uppers and flat-top receivers regardless of manufacturing tolerances.

Do I need special tools to adjust or use this mount?

No. The lever can be adjusted with your finger or a standard flat-blade screwdriver. No proprietary tools are required. The lever itself can be configured to lock toward the front or rear of your rifle.

What height co-witness does the 1.93" mount provide?

The 1.93" height provides a lower 1/3 co-witness, positioning your red dot sight picture above standard iron sights.