RML 8-inch 9-ton gun

The British RML 8-inch 9-ton guns Mark I – Mark III were medium rifled muzzle-loading guns used to arm smaller ironclad warships and coast defence batteries in the later 19th century.

RML 8-inch 9-ton gun
TypeNaval gun
Coast defence gun
Place of originUnited Kingdom
Service history
In service1866–190?
Used byRoyal Navy
Production history
ManufacturerRoyal Arsenal
Unit cost£568
VariantsMk I – Mk III
Specifications
Mass9 long tons (9.1 t)
Barrel length118 inches (3.0 m) bore + chamber

Shell174 pounds 12 ounces (79.3 kg)
Calibre8-inch (203.2 mm)
Muzzle velocity1,420 feet per second (430 m/s)
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