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AR15.COM
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7/19/2012 1:17:52 PM EDT
Do they exist?
7/19/2012 2:34:56 PM EDT
[#1]
trying to figure that out myself.  I sent an email to Meprolight last week still waiting
7/19/2012 3:21:22 PM EDT
[#2]
On that big M21 thread a few months back, they said they were working on it but didn't have one yet.  It's already threaded; it needs one bad.

Mako Defense is on here, hopefully they can update us.  It would be cool if someone knows of something else out there that works, though.
7/19/2012 3:24:30 PM EDT
[#3]
Quoted:
On that big M21 thread a few months back, they said they were working on it but didn't have one yet.  It's already threaded; it needs one bad.

Mako Defense is on here, hopefully they can update us.  It would be cool if someone knows of something else out there that works, though.


I have a design for one in the works that should be fairly cheap to manufacture.  That said, I am still waiting to pick up my M21 this fall, so it might be a while guys.

Last I heard Mako was working on one though.
7/25/2012 11:35:11 AM EDT
[#4]
Hey guys, there is an ARD device made for the M21. However, such a device is patentable in the US and a couple other countries, but not on most of the world. As a result, a US company patented the concept here, so we do not bring the ARD into the US. We would like to have the patent holder manufacture one for us, but due to their relationships with other optics companies, this will most likely never happen. However, I have a concept for a solution, I just need to source the right parts. I am hoping to find off-the-shelf parts so that the cost will be as low as possible.
7/25/2012 4:18:12 PM EDT
[#5]
Thanks. please post if/when it is developed.
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