Not having a lot of money back when I wanted to build my first rifles, and not wanting to spend big bucks on a fancy stock I might ruin in the process of learning I contacted Pecatonica River and asked about seconds. They were very helpful and sent me a list of stocks that had flaws in them that they could let go for a very reasonable price. Some of these had flaws in the wood itself that didn't show up until the shaping had been done, such as knots, etc., however two that I ordered were great looking with no flaws to the wood, but in drilling the ramrod hole the drill had done just what you are talking about and come up through the bottom flat of the barrel inlet. They had repaired these by plugging the area where the drill had begun to wander and then re-drilling the hole. Even though the repair could not be seen once the rifle was finished and the barrel seated in the stock they could or would not sell these as firsts. They had some of these in very high grades of wood, but as cost was a factor I went with the less expensive. One was a number two grade maple with some pretty decent pattern to the wood and it turned out to be one of my favorite projects. The link to the fellow members repair is an excellent way to go. It probably would not hurt anything to leave the hole in that flat open, no one is ever going to see it except you, that is if this is to remain your rifle, but plugging it really isn't that difficult. Hope you have it sorted out.
