The Ordnance QF Hotchkiss 6 pounder gun Mk I and Mk II or QF 6 pounder 8 cwt were a family of long-lived light 57 mm naval guns introduced in 1885 to...

The Ordnance QF 6-pounder 6 cwt Hotchkiss Mk I and Mk II was a shortened version of the original QF 6 pounder Hotchkiss naval gun, and was developed specifically...

the British QF 3-pounder were largely the same gun. Like the British who paired their 3-pounders with the larger QF 6-pounder Hotchkiss the French often...

QF 6 pounder 6 cwt Hotchkiss, a British 57 mm tank gun of 1917 QF 6 pounder Nordenfelt, a 57 mm naval gun of the 1880s very similar to the Hotchkiss Ordnance...

Nordenfelt gun was adopted at the same time as the very similar QF 6 pounder Hotchkiss, but the Navy was not satisfied with the special Nordenfelt ammunition...

warships. It was more powerful than and unrelated to the older QF 3-pounder Hotchkiss, with a propellant charge approximately twice as large, but it initially...

The QF 12-pounder 12-cwt gun (Quick-Firing) (abbreviated as Q.F. 12-pdr. [12-cwt.]) was a common, versatile 3-inch (76.2 mm) calibre naval gun introduced...

The Ordnance QF 18-pounder, or simply 18-pounder gun, was the standard British Empire field gun of the First World War-era. It formed the backbone of...

anti-aircraft guns based on the existing 13-pounder and 18-pounder guns proved inadequate, apart from the QF 13-pounder 9 cwt but even that could not reach high...

field guns QF 13-pounder 6 cwt AA gun: WWI improvised anti-aircraft version QF 13-pounder 9 cwt: later WWI anti-aircraft version (18-pounder gun modified...

The QF 1 pounder, universally known as the pom-pom due to the sound of its discharge, was a 37 mm British autocannon, the first of its type in the world...

The QF principle had proved successful with the much smaller QF 3 pounder Hotchkiss and Nordenfelt QF 3- and 6-pounders from 1885 onwards, and with QF 4...

made and less powerful Mark I 80-pounder and introduced a 100-pound projectile, which became standard for British 6-inch guns until 1930. It consisted...

The 2-pounder gun, officially the QF 2-pounder (QF denoting "quick firing") and universally known as the pom-pom, was a 40 mm (1.6 in) British autocannon...

The QF 12 pounder 18 cwt gun (Quick-Firing) was a 3-inch high-velocity naval gun used to equip larger British warships such as battleships for defence...

intended to be a more powerful alternative to the quick-firing 3-inch QF 12-pounder gun, and a faster-firing replacement for the BL 4-inch gun. It was mounted...

60-pounder was a British 5-inch (127 mm) heavy field gun designed in 1903–05 to provide a new capability that had been partially met by the interim QF 4...

boilers. Armament consisted of one QF 12 pounder gun mounted on a "bandstand" on the forecastle, five QF 6 pounder Hotchkiss guns (two abreast the conning...

protection of Axis tanks improved, the 2-pounder lost effectiveness and it was gradually replaced by the 57 mm QF 6-pounder starting in 1942. It equipped infantry...

The Ordnance QF 12-pounder 8 cwt was a Royal Navy "landing gun" intended for navy use ashore. "8 cwt" refers to the weight of the gun and breech, approximately...

with the Hotchkiss 3-pounder. The Hotchkiss 6-pounder was adopted by the British army for the first tanks. During World War II the 6-pounder was the main...

ten BL 6-inch (152 mm) guns, five on each broadside. Protection against torpedo boats was provided by six quick-firing (QF) 6-pounder Hotchkiss guns and...

QF 13 pounder Mk III anti-aircraft gun, also known as 13 pounder 6 cwt, was an early British improvisation in World War I to adapt the QF 13-pounder field...

The QF 4 inch Mk V gun was a Royal Navy gun of World War I which was adapted on HA (i.e. high-angle) mountings to the heavy anti-aircraft role both at...

The Ordnance QF 13-pounder Mk IV anti-aircraft gun was an Elswick Ordnance commercial 3 inch 13-pounder gun of which 6 were supplied during World War...

18-pounder. It is the gun that writers usually mean by "15-pounder gun" in World War I, but can be confused with the earlier Ordnance QF 15-pounder Ehrhardt...

six pounder gun in each sponson, plus three light Hotchkiss machine guns. Female tanks had two heavy Vickers machine guns in place of the six pounders. The...

wheels. It replaced the obsolete BL 12-pounder 6 cwt gun in Royal Horse Artillery service until the QF 13-pounder became available from 1904. When the Territorial...

The QF principle had proved successful with the much smaller QF 3 pounder Hotchkiss and Nordenfelt QF 3 and 6 pounders from 1885 onwards. The first QF gun...

The QF 14-pounder Mk I & II was a 3-inch high-velocity naval gun used to equip battleships for defence against torpedo boats. It was produced for export...