Well if nothing it’s a heavy chunk of steel. 2lbs, 3.4 oz to be exact.
So, first observation: it’s stout. It is graduated 0-100 MOA elevation. The elevation dial has stepped insets machined to match each number. I haven’t done the trig to truly calculate out the steps, but they appear uniform. Someone mentioned that it was likely not a crossbow or bow mount because they didn’t increase in spacing as the wheel turned; this is machined so the numbers could stay the same distance apart but the amount of material removed from the cam/wheel interface could change. All that said, it’s 2+ lbs, I doubt anyone wanted to lug it around on a bow or crossbow.
A good view of the graduated face the roller sits on from the side, showing the difference in inset from “0” to “100”. Cam is at the bottom.
The front ring is windage adjustable as needed though I can’t see a clear way the back ring could swivel to account for it. Either way, it can drift.
The two bolts seen above hold a spring in place, the spring pushes up against the bottom of the mount forcing it up as elevation is dialed in. It also sits in a channel on the underside of the elevated portion of the mount, and with 2 screws would prevent side to side drift. But it’s not needed, since the rear scope ring sits on an inset pillar that holds the mount from any side to side movement.
The underside has a recoils lug, and you can see the two screws for the rings (the front for side to side adjustment as needed, the back simply to hold the pillar as it moves up/down.
