AT3 Tactical ARO Absolute Cowitness Cantilever Riser Mount – Fastfire/Venom Compatible

SKU: AT3-ARO-RM-83

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Optimize the ARO for your AR15 with this Sleek, Minimalist Fastfire Compatible Riser Mount

In the world of open micro reflex sights, the small profile can provide a serious advantage in overall visibility.  With no bulky housing tubes or adjustment dials in the field of vision, mounting a small red dot on an AR pattern rifle makes for a very pleasant shooting experience.  The AT3 ARO Absolute Cowitness mount pushes the optic further forward on your rifle, and raises the ARO red dot sight to absolute cowitness height with backup iron sights.  This enables use with any of our AT3 magnifiers, and many other accessories.

This riser can also be used for for your Fastfire, Venom, or Docter red dot sights.

Red dot sight is not included.

Specifications:

  • Mounts on any Picatinny rail
  • Fastfire Compatible Mounting Pattern
  • Machined from aircraft aluminum with black anodizing
  • Weight: 1.1 oz
  • Includes Allen wrench
  • Backed by the AT3 Lifetime Warranty



Have Questions About this Product?


The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

AT3 Lifetime Warranty Logo

All AT3 Tactical Brand Products carry a lifetime warranty against manufacturer’s defects.

This includes AT3 Red Dot SightsHandguardsIron Sights, and any other product that carries the “AT3 Tactical” or “AT3™” name. For other brands (ex. Magpul or Troy), please refer to the manufacturer’s warranty policy.

In the event that your AT3™ product becomes unusable, we will repair or replace the product at no charge to you.

If we cannot repair your product, we will replace it with a product in perfect working order of equal or better physical condition. The warranty is fully transferable, but we may require information about the original purchase to validate the authenticity of the product.

If your product is in need of warranty service, please contact AT3 Tactical to start the process

Our contact info is available here. To expedite processing, please provide your order information and description of the defect.

Please note: The AT3 Lifetime Warranty does not cover loss, theft, intentional damage or cosmetic damage that doesn’t affect the performance of the product.

Customer Reviews

Based on 11 reviews
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R
Richard LaPlante
Get Some! Or just get one.

Mount seems very secure and sturdy. Vortex Venom fit perfectly with almost no slop before the hardware. She's mounted to my BRN-180s with Daniel Defense Iron Sites and it just completes the look of this Build! Absolutely love it!

Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!

M
Matthew Medlockb.

It came fast. Only problem i had was the tool was to small but hr fixed it

Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!

M
Matthew Tempel
Great product

The best mount out there. I have 2 now and would have no problems with purchasing anything at3. I wish they came with some stickers... I look forward to future purchases, thank you for the superb service.

Thank you for taking the time to leave a review for our AT3 Tactical ARO Absolute Cowitness Cantilever Riser Mount. We are thrilled to hear that you are happy with your purchase and that you have had a great experience with our product.

M
Matt V
Perfect riser

Perfect height riser for the venom to co-witness some backup flip sights. Very good quality for the price, well worth the money. I actually have it on a Kel-tec KS7 shotgun; so far so good. Puts the sight right where I want it

Thanks for taking the time to share your feedback. We're glad we are satisfied with your purchase!

J
Joe
Great for Burris Fast Fire 4

Shipping was very prompt. My Burris Fast Fire 4 fit perfectly and tightly to the AT3 riser base plate. Cowittness alignment with the Burris reflex red dot and my PSA upper A3 front sight was "spot on". (all puns intended) I would definitely recommend this mount to a friend. Joe in El Paso, Texas

Thanks for sharing your feedback! We're glad you're satisfied with your purchase.