RML 64-pounder gun denotes one of several British
rifled muzzle-loading artillery pieces which fired a 64-pound projectile.
Guns of this type differ by their weight, expressed in
hundredweight
The hundredweight (abbreviation: cwt), formerly also known as the centum weight or quintal, is a British imperial and US customary unit of weight or mass. Its value differs between the US and British imperial systems. The two values are distingu ...
(cwt), and whether they were built from scratch or converted from existing
smoothbore
A smoothbore weapon is one that has a barrel without rifling. Smoothbores range from handheld firearms to powerful tank guns and large artillery mortars.
History
Early firearms had smoothly bored barrels that fired projectiles without signi ...
guns. They include:
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RML 64-pounder 58 cwt
The RML 64-pounder 58 cwt guns (converted) were British rifled muzzle-loading guns converted from obsolete smoothbore 32-pounder 58 cwt guns."58 cwt" refers to the gun's weight rounded up to differentiate it from other "64-pounder" guns : 1 cwt = ...
, a gun for land use converted from the smoothbore
32 pounder 58 cwt gun
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RML 64-pounder 64 cwt gun, a gun for land and naval use, scratch-built rather than converted from a smoothbore
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RML 64-pounder 71 cwt gun
The RML 64-pounder 71 cwt guns (converted) were British rifled muzzle-loading guns converted from obsolete smoothbore 8-inch 65 cwt shell guns in the 1860s-1870s."71 cwt" refers to the gun's weight rounded up to differentiate it from other "64-po ...
, a gun for land and naval use converted from the smoothbore
ML 8-inch shell gun
The ML 8 inch shell guns of 50 cwt, 54 cwt and 65 cwt were the three variants of British cast iron smoothbore muzzle-loading guns designed specifically to fire the new generation of exploding shells pioneered in the early-mid nineteenth century b ...
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Naval guns of the United Kingdom