blackdiesel,
I ran into the same issue with my P15.
The rail is dovetail only, and I needed to convert to picatinny..
Unfortunately, I went with this style:
It has wayyy too much rise, and since the rifle doesn't haven an adjustable cheek-piece,
I can't get a proper weld to save my life - and I have to just hover my head around the scope..
Lame..
I need the low-pro style: Like the one that you pictured.
Reading reviews on those [From Amazon] People griped a lot..
It was either they didn't fit right, shifted, complained about the grip, etc..
I think they might be a gamble, but, I still Need to get one.
Centercut just posted a pic above..
That version looks like a Great option!! Not only are there more bolts for securing it,
there also appears to be some added guide/through-pins to really keep it all aligned.
Personally, that's what I like to see in adapter mounts like these!
And when it comes to that particular one: "Perfect"? Yes. I agree.

Sam -