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Holosun 509T QD Mount

The AD-509T QD mount was developed for the Holosun 509T red dot for use on AR pistols and other weapon platforms requiring a small, light weight red dot system. The AD-509T QD mount is a one piece unit that offers low, co-witness and lower 1⁄3 co-witness optic height. Offered in both standard or TAC lever, it is precision machined from 6061 T6 aluminum and finished in hard coat T3 Mil-Spec anodize. It features the Patented QD Auto Lock™ Lever system to accommodate both in spec and out of spec rail systems.
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$90.00
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Features

  • The AD-509T QD 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.
  • 30% lighter than our standard mounts.

Materials & Construction

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

Weight

  • AD-509T-L: 1oz
  • AD-509T-CO: 2.3oz
  • AD-509T-SOCOM: 2.4oz

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: sales@admmfg.com.

1st tier product, 2nd tier service

I cannot say I am happy with my recent purchase. On the Day 1, I placed an order to by the QD mount with standard height. Day 2, I emailed the company and asked for changing to a different height (same price) before the order was shipped. Day 3, the order was shipped without any response to my email. Day 4, sales told me it was shipped. So I have to pay the round-trip shipping cost to return it and buy the other one with the corret height. As a returning customer, I will return it and buy a new one. But I am not super happy with it.

Nice work

First off, the ordering and shipping were great. I was actually shocked at how fast the order was processed and out the door. Secondly, when I installed the mount it went on easily, and if you are inexperienced the provided instructions are well written with photos included. I would definitely buy from American Defense Mfg again. Important factors for my review are value, fit, and function. The mount I purchased was for an absolute co-witness, everything lines up well and the finish of the product is very good.

Nice work

First off, the ordering and shipping were great. I was actually shocked at how fast the order was processed and out the door. Secondly, when I installed the mount it went on easily, and if you are inexperienced the provided instructions are well written with photos included. I would definitely buy from American Defense Mfg again. Important factors for my review are value, fit, and function. The mount I purchased was for an absolute co-witness, everything lines up well and the finish of the product is very good.
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