RML 64 pounder 64 cwt gun
The RML 64-pounder 64 cwt gun is a Rifled, Muzzle Loading (RML) naval, field or fortification artillery gun manufactured in England in the 19th century, which fired a projectile weighing approximately 64 lb. "64 cwt" refers to the gun's weight rounded up to differentiate it from other "64-pounder" guns.
RML 64 pounder 64 cwt gun
Peripitus · CC BY-SA 3.0
- Name
- RML 64-pounder 64 cwt gun
- Field
- rifled muzzle loader · coastal artillery weapon · naval artillery
- Region
- United Kingdom of Great Britain and Ireland
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Documentary summary
The RML 64-pounder 64 cwt gun is a Rifled, Muzzle Loading (RML) naval, field or fortification artillery gun manufactured in England in the 19th century, which fired a projectile weighing approximately 64 lb. "64 cwt" refers to the gun's weight rounded up to differentiate it from other "64-pounder" guns.
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wikidata · Q7277047 · wikipedia · RML 64-pounder 64 cwt gun
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Key facts
Key facts
• Name — RML 64-pounder 64 cwt gun • Origin — United Kingdom • Type — Naval gun Fortification gun • Is Artillery — yes • Is Ranged — yes • Is Explosive — yes • Is Uk — yes • Service — 1865–190? • Used By — British Empire • Designer — Woolwich Arsenal • Design Date — 1864 • Manufacturer — Woolwich Arsenal Elswick Ordnance Company • Variants — Mk I, II, III • Weight — 64 long cwt • Length — 9.83 in • Part Length — 97.5 in bore • Cartridge — 64 lb • Caliber — 6.3 in • Action — RML • Velocity — Wrought-iron tube: 1252 ft/s Mk III steel tube: 1390 ft/s • Range — 5000 yd • Breech — Muzzle-loading
Ammunition
Ammunition
The gun's standard shell was "common shell", for firing on troops in cover, ships and buildings, weighed 57.4 lb when empty with a bursting charge of 7.1 lb. Shrapnel shells could also be fired; a 66.6 lb shell with a 9 oz bursting charge propelling 234 metal balls.
Surviving Examples of Guns
Surviving Examples of Guns
• Illustration — The sole surviving Mk I gun, at Fort George, Scotland. • Mark I, Mark II number 164 and Mark III guns at Fort George, near Inverness, Scotland, UK • Mark III gun number 17, on board HMS Gannet, Chatham Dockyard, UK • Mark III gun number 294, dated 1867, Nothe Fort, Weymouth, UK • Mark III gun at Fort Brockhurst, Gosport, UK • Two Mark III guns, including no. 318 dated 1867 at Pendennis Castle, Cornwall, UK • Mark III guns number 462 and 463 at Fort Glanville, Adelaide, South Australia • Mark III gun number 739, dated 1878, Townsville, Queensland, Australia • Mark III gun number 742 dated 1878 - ex HMQS Otter (Queensland colonial navy) example displayed in Queens Park Toowoomba, Queensland, Australia • Two Mark III guns, including No 729 dated 1878, at Fort Lytton Historic Military Precinct, Brisbane, Australia • Lei Yue Mun Fort's Central Battery, Hong Kong • including Mark III gun Number 767, dated 1874 • RML 64-pr 64 cwt Mk 3 at Albert Park, Auckland, Auckland, New Zealand • Illustration — Children posing with the Armstrong gun in the Toowoomba Botanic Gardens, 1912.
Surviving Examples of Ammunition
Surviving Examples of Ammunition
• RML 64pdr shell that has been fired, and RML 64 fuse at Fort Lytton Historic Military Precinct, Brisbane, Australia • RML 64pdr Mark I shell (no fuse) is held in the collection of the Australian War Memorial, Canberra
Description
The calibre of 6.3 in was chosen to enable it to fire remaining stocks of spherical shells originally made for the obsolete 32 pounder guns if necessary. Mark I (adopted in 1864) and Mark II (adopted 1866) guns, and Mark III guns made from 1867 – April 1871 had wrought-iron inner "A" tubes surrounded by wrought-iron coils. Mark III guns made after April 1871 were built with toughened mild steel "A" tubes, and earlier Mark III guns were re-tubed with steel and were classified as a siege gun in land service. Remaining guns with iron tubes were used for sea service. Rifling of all guns consisted of 3 grooves, with a uniform twist of 1 turn in 40 calibres (i.e. 1 turn in 252 in).
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1- naval artilleryTerminology
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 17 August 2026.
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