The Becker Type M2 20 mm cannon was a German automatic cannon developed for aircraft use during World War I by Stahlwerke Becker.
2.8 cm sPzB 41
2.8 cm schwere Panzerbüchse 41 (sPzB 41) or "Panzerbüchse 41" was a German anti-tank weapon working on the squeeze bore principle.
Berezin B-20
The Berezin B-20 (Березин Б-20) was a 20 mm caliber autocannon used by Soviet aircraft in World War II.
RT-20 (rifle)
The RT-20 is a Croatian anti-materiel sniper rifle developed by Metallic in Rijeka in the mid-1990s and marketed by RH-Alan.
M61 Vulcan
The M61 Vulcan is a hydraulically or pneumatically driven, six-barrel, air-cooled, electrically fired Gatling-style rotary cannon which fires 20 mm rounds at an extremely high rate (typically 6,000 rounds per minute).
Type 99 cannon
The Type 99 Mark 1 cannon and Type 99 Mark 2 cannon were Japanese versions of the Oerlikon FF and Oerlikon FFL.
Type 97 automatic cannon
The Type 97 20-mm antitank rifle is a Japanese semi-automatic anti-tank rifle used before and during the Second World War.
Solothurn S-18/100
The Solothurn S-18/100 20 mm Anti-Tank Cannon was a Swiss and German anti-tank rifle used during the Second World War.
Phalanx CIWS
The Phalanx CIWS is a close-in weapon system for defense against anti-ship missiles.
Denel NTW-20
The NTW-20 is a South African anti-materiel rifle or large-calibre sniper rifle, developed by Denel Mechem in the 1990s.
MG 151 cannon
The MG 151 (MG 151/15) was a 15 mm aircraft-mounted autocannon produced by Waffenfabrik Mauser during World War II.
2 cm Flak 30/38/Flakvierling
The Flak 30 (Flugabwehrkanone 30) and improved Flak 38 were 20 mm anti-aircraft guns used by various German forces throughout World War II.
Oerlikon 20 mm cannon
The Oerlikon 20 mm cannon is a series of autocannons, based on an original German 20 mm Becker design that appeared very early in World War I.
ShVAK cannon
The ShVAK (Russian: ШВАК: Шпитальный-Владимиров Авиационный Крупнокалиберный, Shpitalnyi-Vladimirov Aviatsionnyi Krupnokalibernyi, "Shpitalny-Vladimirov large-calibre for aircraft") was a 20 mm autocannon used by the Soviet Union during World War II.
2 cm KwK 30
The 2-cm-KwK 30 L/55 (2 cm Kampfwagenkanone 30 L/55) was a German 2 cm cannon used primarily as the chief weapon of the German SdKfz.
Lahti L-39
The Lahti L-39 is a Finnish 20 mm anti-tank rifle used during the Second World War.
Hispano-Suiza HS.404
The HS.404 was an autocannon originally designed and produced by Hispano-Suiza.
Ho-1 cannon
Ho-1 was a Japanese autocannon used during World War II, it was a Type 97 20 mm anti-tank rifle adapted for use in bomber turrets.
20 mm Polsten
The Polsten was a low cost Polish development of the 20 mm Oerlikon gun.
Madsen 20 mm cannon
The 20 mm AA Machine Cannon M/38 was produced by the Danish company Dansk Industri Syndikat (Danish Industry Syndicate) - DISA - in Herlev near Copenhagen and was used by the military of Denmark in different types of mounting.
Type 4 20 mm twin AA machine cannon
Type 4 20 mm twin AA machine cannon was a Japanese anti-aircraft gun.
M39 cannon
The M39 cannon was a 20 mm caliber single-barreled revolver cannon developed for the United States Air Force in the late 1940s.
20 ITK 40 VKT
20 ItK 40 VKT or 20 mm dual anti-aircraft cannon model 1940 manufactured by VKT was a Finnish light anti-aircraft gun designed by the Finnish gunsmith Aimo Lahti.
Type 98 20 mm AAG Tank
The Type 98 20 mm AAG (Anti-Air Gun) Tank was a Japanese self-propelled anti-aircraft gun using twin Soki Type II 20mm anti-air guns.
Type 98 20 mm AA Half-Track Vehicle
The Type 98 20 mm AA Half-Track Vehicle was an experimental Japanese self-propelled anti-aircraft gun.
Colt Mk 12 cannon
The Colt Mk 12 was a 20 mm cannon widely used by the United States Navy after World War II.
M197 electric cannon
The M197 electric cannon is a three-barreled electric Gatling-type rotary cannon used by the United States military.
Solothurn ST-5
The Solothurn ST-5 is a 20 mm anti-aircraft gun designed by Solothurn in Switzerland which ultimately was the design basis for the highly successful 2 cm FlaK 30 series of guns used by Germany in World War II.
XM301
The XM301 Cannon is an externally powered, three-barrel 20 mm Gatling gun made by General Dynamics for the U.
Mauser MG 213
The Mauser MG 213 was a 20 mm aircraft-mounted revolver cannon developed for the Luftwaffe during World War II.
Rheinmetall Rh 202
The MK 20 Rh 202 (short for MaschinenKanone 20 mm Rheinmetall) is an autocannon with a caliber of 20 mm designed and produced by Rheinmetall.
Gebirgsflak 38
The Gebirgsflak 38 was a German anti-aircraft weapon of World War II, a lightweight version of the 2 cm FlaK 38 designed for airborne and mountain troops as a dual purpose gun for use against air and ground targets.
M621 cannon
The M621 is a 20 mm automatic cannon of French design, developed by Nexter as on-board armament for armored vehicles, aircraft, helicopters and small coastal vessels of the French Navy.
20 mm modèle F2 gun
The 20 mm modèle F2 gun is a naval defence weapon used by the French Navy.
MG FF cannon
The MG FF was a drum-fed, 20 mm aircraft autocannon, developed in 1936 by Ikaria Werke Berlin of Germany.
Type 98 20 mm AA machine cannon
The Type 98 20 mm AA machine cannon was the most common light anti-aircraft gun of the Imperial Japanese Army.
Nkm wz.38 FK
The Nkm wz.38 FK (Polish military acronym meaning Heaviest Machine Gun Mark 1938) was a 20mm heavy machine gun (autocannon by modern terminology) produced in inter-war Poland.
Solothurn-Arsenal
The Solothurn-Arsenal was an Estonian copy of the Swiss S-18/100 anti-tank rifle.
Oerlikon SSG36
The Oerlikon SSG36 is an anti tank rifle of Swiss origin.
Denel Land Systems GI-2
The Denel Land Systems GI-2 is an autocannon manufactured by Denel Land Systems (DLS) and used by the South African Army, Navy, Air Force, Royal Thai Navy, Indonesian Army and Navy.
Vidhwansak
Vidhwansak (Sanskrit:"The Destroyer") is an Indian multi-caliber anti-materiel rifle (AMR) or large-caliber sniper rifle manufactured by Ordnance Factory Tiruchirappalli.
Type 2 20 mm AA machine cannon
The Type 2 20 mm AA machine cannon was a Japanese-designed anti-aircraft gun, based on the German Flak 38.