Aqua fortis is a traditional stain for curly maple. It is nitric acid and you dissolve some Iron in it. Apply to stock, let dry, and then apply heat. It will bring out the curl very well.
In reality the best thing to do is ask JWPhillips. He has made many beautiful ML rifles and probably knows more about curly maple than the rest of us combined.
In reality the best thing to do is ask JWPhillips. He has made many beautiful ML rifles and probably knows more about curly maple than the rest of us combined.