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Burris Fastfire Mount for Ruger MKI, II, and III Pistols – Compatible with AT3 ARO

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90 Day No-Hassle Returns We Pay Return Shipping

We have a 90-day no-hassle return policy. We pay return shipping.

If you need to request a return, contact us at support@at3tactical.com and we will send you a return label

After 90 days, defective items will still be covered under the manufacturer’s warranty, where applicable.

Please refer to the product listing for warranty details. If you have specific warranty questions, contact us at support@at3tactical.com. We may direct you to pursue your warranty claim directly with the manufacturer.

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If you’re dissatisfied with your purchase, in any way, please contact us at support@at3tactical.com – we will do our best to make it right.

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You will receive fast, free shipping for all orders over $50

Shipping cost is $7.99 for orders under $50. We ship with UPS or USPS, depending on the item.

Most orders received by 1pm CST ship the same day

You will receive an email with tracking information at the time of shipment. To expedite shipping, we may ship your order from multiple warehouses. Orders placed on weekends, holidays, or after 1pm will ship the following business day.

Get High-End Performance from your Plinker – Fastfire Mounting Plate for Ruger MKI-III Pistols

You know what’s fun?  22LR pistols.  You know what’s even funner?  Getting the most out of every round with a red dot sight mounted right onto one of Ruger’s funnest rimfire pistols. Just by removing your rear sight from your Ruger MK Pistol , and using the easy-to-follow installation instructions, you’ll be ready to mount your red dot and hit the range with superior accuracy.

This plate will work with the Burris Fastfire, Vortex Venom, and AT3 ARO micro red dot sights.


  • Finish/Color: Matte Black
  • Fit: Ruger MKI, MKII, MKIII
  • Manufacturer Part #: 410329
  • Pattern: FastFire

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Customer Reviews

Based on 1 review
Short Screws!

The provided screws are NOT long enough to engage!

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