Unless you are already a flintlock shooter you are going to need some significant range time to be ready for hunting season. Building the gun is great and so is learning to manage your flintlock safely and with accuracy. Find an experienced mentor in your area if you can.
You've built yourself a fine rifle, J.Karl. Nice wood and I really like the color. Care to share what you used to stain it?What Jerry V Lape said is good advice.