Good question. I'd prefer to not cut one down, and instead have one the right size. I'll call Kimber and see if they will send me one.
1. So the front action screw is bottoming out? How about the front base screw? I think 16B asked these questions but I never saw an answer.
2. Does the action stay in the stock if you turn the works upside down without screws installed?
3. If you put the rear screw in the front, how does it look? The rear screw is long enough to see the alignment. If you push the action rearward, is the screw more or less centered?
4. If the action slides fore-aft in the stock can you slide the action rearward and tighten the action screws (in their normal locations)?
5. Since you don't want to bed the rifle, can you cut some plastic from a bottle and shim behind the lug? Is the screw still centered (see #3)?
6. What is the trigger pull weight?
7. What is the rest set-up while shooting? Solid bench, prone, or ???
8. What's the crown look like? Factory?
