I understand your reservations about drilling into your Wildcat's stock. There were a few people that broke ground in this respect when Wildcat owners began to install picatinny rails for the bipod mounts.
My wish to install the Magpul quick disconnect sling and Atlas bipod motivated me to drill into my stock and add the 3 Novesk flush mount quick disconnect mounting points, one on the butt of the stock, one just behind bipod picatinny rail and another on picatinny scope rail just behind scope. An Atlas monopod has been added added using a an easily installed sling stud.
http://i.imgur.com/uAaWKl9.jpg http://i.imgur.com/5WBkD4z.jpg The Wildcat stock is very pliable and easy to drill. I used a drill press and counter sunk from the rear for the the bipod picatinny rail. As for the quick disconnect flush mount cups I used drill press plus sharp wood working chisel to nest the square rear nut.
I was careful to remove the least amount of stock material as to not weaken stock any more than necessary. It has been over 2 years and the mods have held well although I must say that the sling has not seen much use. The bipod and monopod see constant use.
As for the picatinny scope rail, this replaced the fx no limit dove tail scope mount. I really like the Leoupold prn low scope mounts to minimize the top heaviness of the wildcat. The Wildcat is so light that the higher the scope sits the greater the tendency for the rifle to cant. This rail also accepts the Magpul quick disconnect mount point natively.
Hope this answers your question.
Here is a link to a clearer image showing the fastening points on the inside of stock. Not for the faint of heart.
http://i.imgur.com/OfTYC0a.jpg =Danny