Ordnance RML 2.5-inch mountain gun | |
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![]() Sikh gunners assembling the gun, circa. 1895 | |
Type | Mountain gun |
Place of origin | United Kingdom |
Service history | |
In service | 1879–1918 |
Used by | British Empire British Raj Romania |
Wars | Second Boer War World War I |
Production history | |
Designer | Colonel le Mesurier, RA |
Designed | 1877 |
Manufacturer | Royal Gun Factory |
Specifications | |
Mass | 800 pounds (363 kg) total |
Length | 69 inches (1,750 mm) |
Barrel length | 66 inches (1,680 mm) |
Shell | 7 pounds 6 ounces (3.35 kg) (Shrapnel) 8 pounds 2 ounces (3.69 kg) (Ring)[1] |
Calibre | 2.5 inches (63.5 mm) |
Action | RML |
Muzzle velocity | 1,436 feet per second (438 m/s) |
Maximum firing range | 3,300 yards (3,018 m) (shrapnel) 4,000 yards (3,658 m) (ring)[1] |
The Ordnance RML 2.5-inch mountain gun was a British rifled muzzle-loading mountain gun of the late 19th century designed to be broken down into four loads for carrying by man or mule. It was primarily used by the Indian Army.