The bullet caliber you would have to check yourself but it has been pulled and looks like it was subsequently fired.

Respectfully,

Gerald D. Hodge, Jr.
Lieutenant Colonel, U.S. Army (Retired)
M.A. Military History - Civil War Concentration
Research - Preservation
Historian: 39th Georgia Volunteer Infantry Regiment
http://39thgavolinfrgt.homestead.com/39thHomepage.html
Athens, Tennessee