I bought this adapter so that I could mount an ATN MK350 on my air rifle. As is turns out, the heads of socket head cap screws that clamp the adapter to the dove tail were too large in diameter. They prevented the Weaver clamp on the scope from seating securely into the picatinny adapter.
I needed to grind the diameter of the screw heads to a much smaller size.
After resizing the heads, the adapter works very well.
Next time I will buy a one piece adapter.
Pros: Solid -after quite a bit of fussing
Cons: Needed quite a bit of fussing...
Would recommend: No
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