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...

The RML 9-inch guns Mark I – Mark VI were large rifled muzzle-loading guns of the 1860s used as primary armament on smaller British ironclad battleships...

RML 16-inch 80-ton guns were large rifled muzzle-loading guns intended to give the largest British battleships parity with the large guns being mounted...

The 100-ton gun (also known as the Armstrong 100-ton gun) was a 17.72-inch (450 mm) rifled muzzle-loading (RML) gun made by Elswick Ordnance Company,...

The RML 10-inch guns Mk I – Mk II were large rifled muzzle-loading guns designed for British battleships and monitors in the 1860s to 1880s. They were...

be confused with the RML 9-inch 12-ton gun, used in the British Royal Navy. The United Kingdom would adhere to smooth bore guns for a rather long time...

The RML 7-inch guns were various designs of medium-sized rifled muzzle-loading guns used to arm small to medium-sized British warships in the late 19th...

RML 12-inch 35-ton guns were large rifled muzzle-loading guns used as primary armament on British battleships of the 1870s. They were the longer and more...

RML 11-inch 25-ton guns were large rifled muzzle-loading guns used as primary armament on British battleships and for coastal defence. They were effectively...

originated from a desire for a longer 12 in (30 cm) gun than the existing RML 12-inch 35-ton gun. Experiments in 1874 with both 12 in (30 cm) and 12.5 in...