24-pounder long gun

24-pounder long gun
Spanish 24-pounder long gun mounted on the coastal defences of Ibiza Town.
Type	Naval gun
Service history
Used by	France, Spain, Great Britain, Netherlands, Sweden, United States
Production history
Unit cost	1252 Francs
Specifications
Mass	2,500 kg 470 kg (mount)
Barrel length	Approx. 3 metres
Crew	12 gunners and one powder-boy
Shell weight	11.7 kg
Calibre	152.2 mm[1]

The 24-pounder long gun was a heavy calibre piece of artillery mounted on warships of the Age of Sail. 24-pounders were in service in the navies of France, Spain, Great Britain, the Netherlands, Sweden, and the United States. They were comparable to the Canon de 24 Gribeauval used by the French Army as its largest piece of siege artillery. 24-pounders were used as main guns on the heaviest frigates of the early 19th century and on fourth-rate ships of the line, on the second deck of first-rate ships of the line, and on the second deck of a few large third-rates.