Ribbed bullet

[gurgle]

I dug this today at an old 17-1800's homestead. Can anyone help identify the type of bullet?

The bottom is flat, i didnt add a picture of that.

 

[Longhair]

Looks just like a Thompson Center Maxi-Ball.

 

[MasonDixonMding]

Looks just like a Thompson Center Maxi-Ball.

It’s definitely a maxi ball I’ve made hundreds of the over the years.