6-pounder gun or 6-pdr, usually denotes a gun firing a projectile weighing approximately . Guns of this type include: *

QF 6 pounder Hotchkiss 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 naval guns introduced in 1885 to defend against new, small and fast vessels such as torpedo boats and later submarines. There were m ...

, 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 The Ordnance Quick-Firing 6-pounder 7 cwt,British forces traditionally denoted smaller ordnance by the weight of its standard projectile, in this case approximately . The approximate weight of the gun barrel and breech, "7 cwt" (cwt = hundredw ...

, a British 57 mm anti-tank and tank gun of World War II * QF 6 pounder 10 cwt gun, 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 Napoleon ...

, a French 6-pounder muzzle-loading cannon of the Napoleonic era * M1841 6-pounder field gun, 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 The Bofors 57 mm gun is a nickname or designation given to several types of guns designed and developed by the Swedish company Bofors: *, a 57 mm anti tank gun for the Swedish army during WW2. * Bofors 57 mm Automatic Gun L/50, a 57 ...

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, Finnish light coastal gun * 57 mm anti-tank gun M1943 (ZiS-2), Soviet 57×480 mmR AT gun, also used on the ZiS-30 * Ho-401 cannon, 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 AZP S-60 (russian: Автоматическая зенитная пушка С-60, abbrev. АЗП (AZP); literally: ''Automatic anti-aircraft gun S-60'') is a Soviet towed, road-transportable, short- to medium-range, single-barrel anti-aircraf ...

, Soviet 57×347mmSR AA autocannon, also integrated into ZSU-57-2 Older types include: * 5.7 cm Maxim-Nordenfelt, short fortress gun of the 1880s

Guns denoted by calibre

See also