Confederate

Brooke, Sub-pattern III

 

DIAMETER:  About 4.54 inches
GUN: Rifled 12-pounder Smoothbore, 4.62-inch Caliber
LENGTH: About 12 inches
WEIGHT:  About 28 pounds
CONSTRUCTION: Common Shell
SABOT: Copper, ratchet disc
FUZING: Copper Fuze Plug

This projectile has six ratchets, instead of the usual five.  Projectiles of this caliber are rare.