Holy Smokes!
I sent an email to this company last night (through their site) and received a response today (Easter Sunday no less). They have two price points $89 for 7075 aluminum and $135 for stainless.
Im really impressed at the response. Ill attach the email below:
Good morning Copeland,
The prices have been updated on the site. That was a mistake. The Stainless Steel ones are $135 and the 7075 Aluminum ones are $89. Sorry about the mix-up. Check out the site again.
As far as wear goes, they have been designed so that the large body on the rear mount does not contact the stock at all. There is about a .008-.01" space so that this can't happen. When you tighten the custom screw on the opposite side of the mount, The QD side doesn't even need to rotate. I own Tavors myself and I didn't want mine scratched either.
There is no way that the holes can oval due to the mounts seating on the tapers.
I have no videos at this time but that would be something to consider nor do I know of any out there.
Hopefully I answered all of your questions.
Thanks,
Dennis Knelsen
Revolution Machine Corp