Looks like my Brown Bess. How long is it? 39" or more?
Type "Brown Bess" in Milsurps.com search box (top right of site). Lots of threads there.
Here is a 53 pic photo montage of my own 1808 Brown Bess Tower Musket - India Pattern (click here).
It's all correct and all original parts (no repros). I've owned it for almost 50 years …
(Click PIC to Enlarge)
Regards,
Doug