I tried doing a search but came up empty. My basic question is this... has anyone recut a small shank receiver and rethreaded it to accept large shank barrels?

Background:
I have a LRP on order in 6.5 Creedmoor and I also have a Shilen barrel coming for it. The only thing I'll be using for my build is the action/trigger from the LRP. I'll be putting the Shilen barrel on it and mounting it in a composite stock designed for Metallic Silhouette competition. So that means that I will have a perfectly nice LRP barrel and stock left over.

My buddy happens to have a nearly new Stevens model 200 sitting around doing nothing (.243). I'd like to use his action and build another rifle with it on the cheap. I guess I'd also have to deal with screw spacing though, I haven't looked at that yet.

Anyway, anyone ever recut a small shank receiver and rethreaded it to accept large shank barrels? I have a master machinist at my disposal so cost would be very minimal.

Thanks!

Trent