The Ordnance QF 75 mm, abbreviated to OQF 75 mm, was a British tank gun of the Second World War. It was obtained by boring out the Ordnance QF 6-pounder...

The Ordnance QF 32 pounder or (32-pdr) was a British 94 mm gun, initially developed as a replacement for the Ordnance QF 17-pdr anti-tank gun. The only...

The Ordnance QF 25-pounder, or more simply 25-pounder or 25-pdr, with a calibre of 3.45 inches (87.6 mm), was a piece of field artillery used by British...

Centaur. When the Cromwell went into combat in 1944, it was armed with the Ordnance QF 75 mm gun, which was a redesign of the 6-pounder to take US 75 mm ammunition...

that the original models make when firing. This QF 2-pounder was not the same gun as the Ordnance QF 2-pounder, used by the British Army as an anti-tank...

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...

The Ordnance QF 15-pounder gun, commonly referred to as the Ehrhardt, was a modern German field gun purchased by Britain in 1900 as a stopgap measure to...

The Ordnance QF 2-pounder (QF denoting "quick firing"), or simply "2 pounder gun", was a 40 mm (1.575 in) British anti-tank gun and vehicle-mounted gun...

The Ordnance QF 13-pounder (quick-firing) field gun was the standard equipment of the British and Canadian Royal Horse Artillery at the outbreak of World...

above, such as the QF 12-pounder 12 cwt and QF 6-inch naval gun, and howitzers, such as the QF 4.5-inch howitzer and Ordnance QF 25-pounder gun-howitzer...

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 defend...

designs were introduced. The gun was also used as the basis for the Ordnance QF 32-pounder anti-tank gun variant used on the Tortoise heavy assault tank...

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...

The Ordnance QF 4.5-inch howitzer was the standard British Empire field (or "light") howitzer of the First World War era. It replaced the BL 5-inch howitzer...

The Ordnance 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...

(models) of ordnance until after World War II. Mark XVI indicates this was the sixteenth model of QF 4 inch gun. "British 4"/45 (10.2 cm) QF HA Marks XVI...

use in the fortress. The gun fired the same 12.5 lb 3-inch (76 mm) shells as the other British "QF 12 pounder" guns, but used its own larger separate...

the 20th century. In British service it was known as the QF 6-inch Mk I, II, III guns. As the 15 cm/40 (6") 41st Year Type naval gun it was used for pre-dreadnought...

L/52 rifled design by the Royal Ordnance Factories, intended for use in armoured fighting vehicles, replacing the older QF 20-pounder (84 mm) gun mounted...

numerals to denote Marks (models) of ordnance until after World War II. This was the fourth model of 4-inch QF naval gun. Variants Mk XII = Mark 12,...

The Ordnance QF 3-pounder Vickers (47 mm / L50) was a British artillery piece first tested in Britain in 1903. It was used on Royal Navy warships. It...

designation Ordnance QF 25-pdr on Carrier Valentine 25-pdr Mk 1, was a British self-propelled gun vehicle based on the Valentine tank and armed with the QF 25-pounder...

Ordnance, QF 3.7-inch howitzer is a mountain gun, used by British and Commonwealth armies in the First and Second World Wars, and between the wars. The...

and manufactured by the Elswick Ordnance Company, part of Armstrong Whitworth. They were developed to exploit the new "QF" technology, which involved loading...

ballistic performance of the QF 5.25 was very good, with a maximum range of 24,070 yd (22,010 m) at 45 degrees with an 80 lb (36 kg) HE shell. In comparison...

The QF 2.95-inch mountain gun was the designation given by the British to a Vickers 75 mm calibre gun. It was originally produced for the Egyptian Army...

The Ordnance BL 15-pounder, otherwise known as the 15-pounder 7 cwt, was the British Army's field gun in the Second Boer War and some remained in limited...

Nordenfelt was considerably lighter. The UK adopted a 42-calibre version as Ordnance QF 6-pounder Nordenfelt Mk I, Mk II, Mk III. They were originally mounted...

The QF 4.7 inch Gun Mark V originated as a 4.7 in (120 mm) 45-calibre naval gun designed by the Elswick Ordnance Company for export customers and known...

(models) of ordnance until after World War 2. Hence this article describes the first three models of British QF 4-inch guns. 2300 ft/s with 25 lb (11 kg)...