Federal

Parrott

 

DIAMETER:  6.3 inches
GUN: 100-Pounder Parrott Rifle, 6.4-inch Caliber
LENGTH: About 13 3/8 inches
WEIGHT: About 92 pounds
CONSTRUCTION: Bolt
SABOT: Brass, Type 1
FUZING:
None

A typical bolt in this caliber.  Specimens have been recovered from Fort Fisher, North Carolina.