Picatinny bipod mount on FX Wildcat.

I mounted the Atlas 1913 rail to my Wildcat with no issues. The stock is pretty thick. I used the hardware that they also sell for it, no issues mounting it. I centered the rail where I wanted it and drilled both holes for the allen screws. On the inside I had to drill a 3/4" hole with a forstner bit just deep enough so that the other piece for the hardware was slightly below the top of the stock. Pics might make more sense.
 
You can mount it anywhere you want. Here are some pics, the stock is thick enough anywhere.
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