shellac
Let me share some info with you about finishes.
The shellac that most people are familiar with can turn things orange if that's the type you purchase. Actually , shellac comes in three main color cagatories and can be just about water clear, especially if cut with a high percentage of alcohol. The shellac I'm talking about here, however, comes in a spray can and shoots like lacquer. It dries in minutes, is tough but doesn't go anything to color the stock. And, the goal here is to simply provide a mechanical barrier to the oil weeping out in high temperature.
I had a stock like that on a Hakim I purchased. No matter what I did to that stock, it would start to weep as soon as the temperature got up to 80 degrees. It got so bad that I couldn't shoot it in the Summer. I tried everything. I did manage to get it down a lot but it still weeped and got on my hands and clothes. So, I disassembled the rifle, cleaned the stock once again with denatured alcohol, and then shot it with what are called "Spit coats" of spray shellac. Then I sanded it so that you couldn't tell it had been sprayed using 200 grit aluminum oxide, lubricated paper. Finally, I recolored it to the original using dyes and then two or three coats of buff lacquer. Then rubbed it out. Voila! A perfectly normal looking stock harboring oil deep within its core but never to come out again. Shellac is the only finish that can do this. That's why if you want to kill a stain in your ceiling or wall, you use Binz or Kiltz which is a shellac based white stain killing paint.
Hope this helps. Most people have forgotten about the advantages of shellac. Today, everything is polysomethingorother. The old timers used Shellac, lacquer, tung oils, and dyes on their finest furniture. Even wonder why you can't seem to put color into your furniture to make it look like something 100 years old? Try using dyes (even clothes dyes in water) rather than that pre-canned Minnwax or other stains.
Finally, look for a book by Bob Flexner. Bob is an expert finisher and his book will tell you everything you ever needed to about how to make wood sing!
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