Pre-1800s
Pumhart von Steyr
· The largest known wrought-iron bombard by caliber
· Produced in the early 15th Century
· Weighs about 8 tons
· On display in the artillery halls located in the Heeresgeschichtliches Museum at Vienna
Mons Meg
· Weighs 15,366 pounds (6,970 kg), is 15 feet (4.6 m) in length, and has a caliber of 20 inches (510 mm). The cost of the gun was £1,536. 2s. Since this supergun was only used in the Kingdom of Scotland the U.S price is unknown.
· Its cannon balls weighed about 400 pounds (180 kg) it could only be fired 8-10 times a day due to the tremendous heat generated by the powder charge it required
· Produced in June 1449
· The Great Michael has this cannon on board and was known as the ship with the largest cannon based on caliber
1800-1900
RML 17.72 inch gun
· A rifled muzzle-loading gun made by the Elswick Ordnance Company in the United Kingdom
· Weighs 103 tons
· A total of 15 cannons were made
· Was in service in 1877-1906 and was used by the United Kingdom and Italy
· Had a maximum distance of 6,600 yards (6,000 m)
Mallet's Mortar
· Is a British siege mortar built for the Crimean War but wasn’t used
· Weighs 43 tons
· Produced in 1857
· The Thames Ironworks and Shipbuilding Company went bankrupt after purchasing the Mallet’s Mortar
· The work on the cannon was divided among the three firms as a result
1900s-modern cannons
Little David Ammunition
· Had a 36 inch (914 mm) caliber mortar used for test firing aerial bombs during World War II
· Used only in the U.S.
· Is 40 tons without a carriage
· Was supposed to be used on the Japanese invasion; but Japan surrendered and thus, Little David was never used
BL 16 inch Mk I naval gun
· a British naval gun introduced in the 1920s and used on the Nelson class battleships
· Weights 108 tons and has a maximum range of 39,780 yards (36,374 m)
· These cannons were designed for the G3 battle cruiser but the designs were cancelled
· These cannons were designed for the G3 battle cruiser but the designs were cancelled