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Holosun AEMS Mount

The AD-AEMS mount is designed as a QD replacement mount for the Holosun AEMS Red Dot. Available in absolute co-witness, lower 1/3 co-witness, 1.93" and 2.33" NV heights. The Holosun AEMS Low Mount is precision machined from 6061 T6 aluminum and finished in hard coat T3 Mil-Spec anodize and features the Patented QD Auto Lock(tm) Lever system to accommodate both in spec and out of spec rail systems.


Note: FDE Shipping 2 weeks from order. 

**NOTE- Holosun produced about 500 of the original first run AEMS Red Dots with incorrect rear screw hole spacing. If you received one of these Red Dots and it does not fit the mount, Holosun will exchange it for a newer generation AEMS Red Dot.**

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  • The AD-AEMS mount features the Patented QD Auto Lock™ Lever system.
  • Does not require proprietary tools for adjustment.
  • Can be adjusted with your finger or a flat blade screwdriver.
  • Lever can be configured to lock to the front or the rear.
  • Superior clamping surface to insure maximum rail engagement.

Materials & Construction

  • The AD-AEMS mount is precision CNC machined from a block of 6061 T6 aluminum.
  • Finished in hard coat type 3 Mil-Spec anodize for a rock hard lasting finish.
  • Fully adjustable to fit both in spec and out of spec rail systems.
  • American Defense MFG, LLC. products feature a lifetime warranty.
  • Features the Patented QD Auto Lock™ Lever system.
  • Made with pride in the U.S.A.


  • Weight:
  • AD-AEMS-10-STD (Absolute Co-Witness)- 2.5 ounces
  • AD-AEMS-11-STD (Lower 1/3rd Co-Witness)- 2.6 ounces
  • AD-AEMS-H-STD  (1.93" Height)- 2.7 ounces
  • AD-AEMS-NV-STD (2.33 Height)- 2.8 ounces

FFL Terms and Conditions - Any items placed on the same order as a firearm/lower receiver will also be shipped to the FFL. If you would like additional items shipped to you directly, please place them on a separate order. To expedite your order, please have your dealer fax or email their FFL to us. If the dealer you are using to transfer a firearm has not sent us a currently updated FFL to put on file, there will be an extended period of time needed to process your order. Due to the high volume of orders, please allow up to two weeks for delivery of firearms. Email: [email protected].


The OEM mount from holosun didn’t fit my bullet upper. ADMFG is the only company making mounts for this optic. Having said that, the mount is phenomenal. It’s solid but light and holds zero like a champ. Definitely recommend if you don’t like the factory mount.

Screw lever came pre stripped

Item arrived and I couldn't figure out why the clamp opposite the locking screw would keep jumping back after I tighten it down to fit my rail, finally pulled the lever and screw out and tried threading into the nut without the mount. It seemed to thread in perfectly then I pulled on the nut and it slid right out from the threads........very nice QC. Would not recommend.

Good mount/needs a special wrench

I chose the high mount to clear a 12 o'clock mounted light (Streamlight RM2). It works well for that purpose. I think ADM should include an L shaped T10 wrench to get the two rear screws in. They are in a very tight spot. I just ordered a tool to try and get them in... not sure if it will work (Steelman 78937).


I purchased this mount 4 months ago. I reached out to ADM and asked about instructions for attaching the mount to the AEMS optic. They do not have an instruction manual or a video explaining how to do it. I can't figure out how to get all four of the screws from the Holosun 1/3 co-witness mount - to use with the ADM QD NV mount. The two interior holes are almost impossible to thread and tighten. Luke in the reviews mentioned an L-shaped T10 wrench. I will have to find one and see if it fits under the mount.
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