6-pounder gun or 6-pdr, usually denotes a gun firing a projectile weighing approximately . Guns of this type include: * QF 6 pounder Hotchkiss, a 57 mm naval gun of the 1880s; a similar weapon was designed by Driggs-Schroeder for the US Navy *Driggs-Schroeder Marks II and III and

Driggs-Seabury Driggs-Seabury Ordnance Company was founded in 1897 by William H. Driggs and Samuel Seabury, both US Navy officers, in partnership with William's brother Louis Labadie "L. L." Driggs, originally to produce guns for the US Army and US Navy design ...

M1898 and M1900 57 mm guns on mobile mounts, used by the US Army circa 1890–1920 * 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 QF 6-pounder, a British 57 mm anti-tank and tank gun of World War II *

QF 6 pounder 10 cwt gun The British QF (quick-firing) 6-pounder 10 cwt gun"6 pounder" refers to the approximate weight of projectiles, which was a traditional British way of denoting small guns. "10 cwt" referred to the approximate weight of the gun and breech in cwt (h ...

, a British twin mount naval and coast defence gun 1937–1956. Older types include: *

Canon de 6 système An XI The Canon de 6 système An XI was a French cannon and part of the Year XI system of artillery. It was part of the field artillery, and complemented the Gribeauval system. The canon de 6 système An XI was used extensively during the Napoleonic ...

, a French 6-pounder muzzle-loading cannon of the Napoleonic era *

M1841 6-pounder field gun The M1841 6-pounder field gun was a bronze smoothbore muzzle-loading cannon that was adopted by the United States Army in 1841 and used from the Mexican–American War to the American Civil War. It fired a round shot up to a distance of at 5° e ...

, an American 6-pounder smoothbore muzzle-loading cannon of the mid-1800s

Guns denoted by calibre

Examples simply referred to by caliber include: * Bofors 57 mm gun family, including a WW2 field AT gun, a WW2 57 mm × 230 mm aircraft autocannon and a still-current family of three 57 mm x 438 mm naval artillery gun/anti air autocannons *

57 55 J The 57 55 J or ''57 mm, 55 caliber length model Jokinen coastal gun'' is a Finnish light coastal gun designed during the Continuation War. It the first coastal gun designed and manufactured completely in Finland and was intended to replace the o ...

, Finnish light coastal gun *

57 mm anti-tank gun M1943 (ZiS-2) The ZiS-2 (russian: ЗиС-2) (GRAU index: 52-P-271) is a Soviet Union, Soviet 57 mm anti-tank gun used during World War II. The ZiS-4 is a version of the gun that was meant to be installed in tanks. ''ZiS'' stands for ''Zavod imeni Stalina'' ( ...

, Soviet 57×480 mmR AT gun, also used on the

ZiS-30 The ZiS-30 was a light self-propelled anti-tank gun built for the Soviet Red Army in 1941. It was based on the Komsomolets armoured artillery tractor. They were successful vehicles, but production was limited by the number of Komsomolets tra ...

Ho-401 cannon Ho-401 was a Japanese aircraft autocannon that saw limited, if any, use during World War II. It was a large-caliber version of the 37 mm Ho-203 cannon Ho-203 was a Japanese autocannon that saw considerable use during World War II. It was ...

, Japanese prototype aircraft autocannon * Type 97 57 mm tank gun, Japanese tank cannon *Ch-51(M), used on the Soviet assault gun ASU-57 * AZP S-60, Soviet 57×347mmSR AA autocannon, also integrated into ZSU-57-2 Older types include: *

5.7 cm Maxim-Nordenfelt The 5.7 cm Maxim-Nordenfelt ''"Canon de caponnière"'' was a fortress gun and infantry gun developed during the 1880s in Britain which was sold to Belgium and later produced under license by the Cockerill company. It saw action during World ...

, short fortress gun of the 1880s

Guns denoted by calibre

See also