I have built several flintlock rifles and curly hard rock maple is beautiful stocks. Never seen a flintlock rifle made with Osage. That would be unique for sure.
I know a guy that made a flintlock stock out of osage. He does amazing leatherwork and is a meticulous leather worker. Wish I could say that about this gunstockig skills. The stock still looks like the 2x5 that he started with! Since it was only a 2x5, there is almost no drop to the comb and it is the fugliest gun you ever saw. And heavy?
? No matter the load, it soaks up the recoil....if you are tough inough to hold the gun to your shoulder. Sadly, for all the fun we have picking on him about that abomination of a gun, he most always takes home the prize for shooting. And that is what hurts worse than the sight of that Firewood Flintlock.