Hi JP,

Welcome to the mad house...

Right, first thing, remove the action out of the stock, this is a must or you will end up drilling into the cylinder, and you do not want to do that or you will have a bad day....

Next mark out where you want the studs, for the one at the butt end do not put it to close to the end, two things, one there is a screw from the butt plate into the end that you may hit when you drill the hole (gues how I know that ) and second screwing in the stud to close to the end can increase the risk of splitting the wood. The stud hole at the other end, again not to close to the end, allow room to fit a bi-pod just in case you ever want to use one.

Now the size of the drill, I can't remember what the size is, do not make it to small or again you could split the wood. I used a scrap bit of wood and tried a few sizes until I got the right one.

Take your time, make sure you drill the holes straight and you will be fine.

Dave