Thank you all for the advice.
winmag
How would you go about adding about three inches to a stock?
3".......Holy crap! You may want to consult a smith for a custom aluminum adjustable LOP. like many trap shooters have on thier shotguns. They can be made with recoil reducers also, but heavier.
But for minor adjustments say around 1inch or less, Midway, and a few other places, local gunshops etc., sell ''shims'' for placing between your recoil pad and stock. Theres also the diy meathod wich can be very easy to very difficult depending on your stock. With everything from wood, to plastic, to colored lexand plastic, to.............Use barge cement, superglue gell, whatever you choose, and screws. Filling old holes in stock is as simple as using superglue and match sticks, or tooth pics. This allows a stripped out hole, or a miss aligned hole to be plugged and hold a screw with integredy
**just make sure your shim materia will hold up to whatever conditions you hunt in. Freezing sometimes causes some materials to become brittle.**
Most factory rifles offer a 13 3/4 - to-14 1/4 +plus or minus- and you can order shims that are pre-ground to fit your stock. You can also order grind to fit.
It will only be as pretty or as ugly as you make it, so do it right. It will feel like a whole new rifle, and the job you do will show, so you may as well make it sexy as well as functional while your at it.