Here's an estimate of the expected price for a custom build flintlock. Prices are in Canadian dollars CAD$. These price are subject to change without notice.
A 1500$deposit is required before starting any project.
As an example, for a Tulle fusil-de-chasse with forged mild steel hardware and a black walnut stock, one can expect to pay around 4050$.
If you're a Canadian customer, the payment can be done by Interac e-transfer or certified check. International and American customers, the payment must be made by banker's draft in Canadian dollar.

