US 16 Inch Mark 8 Armor Piercing Naval Gun Shell Specifications:

Length: 72 inches
Diameter: 16 inches
Weight: 2,700 lbs
Range: 45,000 Yards
Concrete Penetration: 30 feet reinforced concrete
Armor Penetration: 30" of side armor at 5,000 yds, 14" of deck armor at 42,000 yds
Propellant Charge: 655lbs
Bursting Charget: 41 lbs
Muzzle Velocity: 2,500 feet per second
Entered Service: 1939
Unit Cost: $500

Other 16 inch Mark 8 Naval shells can be found at the following museums: