Federal

Parrott, Sub-pattern III

 

DIAMETER:  3.58 inches
GUN: 
20-pounder Parrott rifle, 3.67-inch caliber
LENGTH: 
7 13/16 inches
WEIGHT: 
18 pounds 10 ounces
CONSTRUCTION: 
Solid shot
SABOT: 
Brass ring
FUZING: 
None

20-pounder Parrott Flat Nose Bolt
This is often referred to as a 20-pounder (3.67-inch caliber) flat-nose Parrott bolt.  It is also found in a 10-pounder size (2.9-inch caliber).  Note the nice rifling of the Parrott rifle on the brass sabot.  This caliber is uncommon in the flat-nose variety.