you can make every part for a jaco rifle or pistol from raw materials. it is percussion lock model due to a flint lock is a little more difficult to make.St8Line, Where in the world can you build a flintlock for right at $100. The barrel will cost well over $100, not to mention the stock, the lock, and the rest of the furniture. I know as I built one about 15 years ago, thru Dixie.