Autocannons are automatic guns with calibers of 20 millimeters (0.79 in) to 57 millimeters (2.2 in). There are many types including chain guns, gast guns, revolver cannons, and rotary cannons. They are being used as military aircraft main guns, naval guns, anti-aircraft weapons, infantry fighting vehicle main guns and are occasionally found on reconnaissance vehicles like the LAV-25.
Caliber (mm) | Power source | Weapon name | Country of origin | Period |
---|---|---|---|---|
20 | Internal | Becker Type M2 20 mm cannon | ![]() |
World War I |
20 | Internal | Nkm wz.38 FK | ![]() |
Interwar |
20 | Internal | Polsten | ![]() |
World War II |
20 | Internal | Berezin B-20 | ![]() |
World War II |
20 | Internal | ShVAK cannon | ![]() |
World War II |
20 | Internal | Ho-1 cannon | ![]() |
World War II |
20 | Internal | Ho-3 cannon | ![]() |
World War II |
20 | Internal | Ho-5 cannon | ![]() |
World War II |
20 | Internal | Type 99 cannon | ![]() |
World War II |
20 | Internal | Automatkanon m/40 | ![]() |
World War II |
20 | Internal | Automatkanon m/45 | ![]() |
World War II |
20 | Internal | Automatkanon m/49 | ![]() |
Cold War |
20 | Internal | Hispano-Suiza HS.404 | ![]() |
World War II |
20 | Internal | M621 cannon | ![]() |
Cold War |
20 | Internal | Oerlikon S | ![]() |
World War II |
20 | Internal | Oerlikon FF | ![]() |
World War II |
20 | Internal | Oerlikon KAE | ![]() |
Modern |
20 | Internal | MG FF cannon | ![]() |
World War II |
20 | Internal | MG 151/20 | ![]() |
World War II |
20 | Internal | Rheinmetall MK 20 Rh 202 | ![]() |
Cold War |
20 | Internal | Colt Mk 12 cannon[1] | ![]() |
Cold War |
23 | Internal | Afanasev Makarov AM-23 | ![]() |
Cold War |
23 | Internal | Gryazev-Shipunov GSh-23 | ![]() |
Cold War |
23 | Internal | Nudelman-Rikhter NR-23 | ![]() |
Cold War |
23 | Internal | Nudelman-Suranov NS-23 | ![]() |
World War II |
25 | Internal | 72-K | ![]() |
World War II |
25 | Internal | Automatkanon M/32 | ![]() |
World War II |
25 | Internal | Hotchkiss 25 mm cannon | ![]() |
World War II |
25 | Internal | Type 96 cannon | ![]() |
World War II |
25 | External | M242 Bushmaster | ![]() |
Cold War |
25 | Internal | Oerlikon KBA | ![]() |
Cold War |
28 | Internal | 1.1" autocannon | ![]() |
World War II |
30 | Internal | 30 mm Shipunov 2A42 | ![]() |
Cold War |
30 | Internal | 30 mm Shipunov 2A72 | ![]() |
Cold War |
30 | Internal | Gryazev-Shipunov GSh-30-1 | ![]() |
Cold War |
30 | Internal | Gryazev-Shipunov GSh-30-2 | ![]() |
Cold War |
30 | Internal | Ho-155 cannon | ![]() |
World War II |
30 | Internal | Type 2 cannon | ![]() |
World War II |
30 | Internal | Type 5 cannon | ![]() |
World War II |
30 | Internal | MK 101 cannon | ![]() |
World War II |
30 | Internal | MK 103 cannon | ![]() |
World War II |
30 | Internal | MK 108 cannon | ![]() |
World War II |
30 | Internal | Nudelman-Rikhter NR-30 | ![]() |
Cold War |
30 | Internal | RARDEN | ![]() |
Cold War |
30 | External | M230 Chain Gun | ![]() |
Cold War |
30 | External | Mk44 Bushmaster II | ![]() |
Cold War |
35 | Internal | Oerlikon KDA | ![]() |
Cold War |
35 | External | Bushmaster III | ![]() |
Cold War |
37 | Internal | BK 37 | ![]() |
World War II |
37 | Internal | COW 37 mm gun | ![]() |
World War II |
37 | Internal | Ho-203 cannon | ![]() |
World War II |
37 | Internal | Ho-204 cannon | ![]() |
World War II |
37 | Internal | M4 cannon | ![]() |
World War II |
37 | Internal | Nudelman N-37 | ![]() |
Cold War |
37 | Internal | Nudelman-Suranov NS-37 | ![]() |
World War II |
37 | Internal | QF 1-pounder pom-pom | ![]() |
World War I |
40 | Internal | Bofors 40 mm gun L/60 | ![]() |
World War II |
40 | Internal | Bofors 40 mm gun L/70 | ![]() |
Cold War |
40 | Internal | Ho-301 cannon | ![]() |
World War II |
40 | Internal | QF 2-pounder pom-pom | ![]() |
World War I |
40 | Internal | Vickers S gun | ![]() |
World War II |
40 | Internal | Otobreda Fast Forty | ![]() |
Cold War |
40 | External | Bushmaster IV | ![]() |
Cold War |
40 | Internal | CTAS40 | ![]() |
Modern |
45 | Internal | Nudelman-Suranov NS-45 | ![]() |
World War II |
50 | Internal | Rheinmetall BK-5 | ![]() |
World War II |
57 | Internal | Ho-401 cannon | ![]() |
World War II |
57 | Internal | AZP S-60 | ![]() |
Cold War |
57 | Internal | ZIF-31 | ![]() |
Cold War |
57 | Internal | Automatkanon m/47 | ![]() |
Cold War |
57 | Internal | 57 mm Bofors L/60 | ![]() |
Cold War |
57 | Internal | 57 mm Bofors L/70 | ![]() |
Modern |
Caliber (mm) | Power source | Weapon name | Country of origin | Period |
---|---|---|---|---|
20 | Internal | M39 cannon | ![]() |
Cold War |
20 | Internal | Mauser MG 213 | ![]() |
World War II |
23 | Internal | Rikhter R-23 | ![]() |
Cold War |
27 | Internal | Mauser BK-27 | ![]() |
Cold War |
30 | External | Rheinmetall RMK30 | ![]() |
Modern |
30 | Internal | ADEN cannon | ![]() |
Cold War |
30 | Internal | DEFA cannon | ![]() |
Cold War |
30 | External | GIAT 30 | ![]() |
Cold War |
30 | Internal | Oerlikon KCA | ![]() |
Cold War |
30 | Internal | NN-30 | ![]() |
Cold War |
35 | Internal | Oerlikon Millennium 35 mm Naval Revolver Gun System | ![]() |
Modern |
42 | External | Red King | ![]() |
Cold War |
Caliber (mm) | Power source | Weapon name | Country of origin | Period |
---|---|---|---|---|
20 | External | M61 Vulcan | ![]() |
Cold War |
20 | External | M197 electric cannon | ![]() |
Cold War |
23 | Internal | Gryazev-Shipunov GSh-6-23 | ![]() |
Cold War |
25 | External | GAU-12 Equalizer | ![]() |
Cold War |
30 | External | GAU-8 Avenger | ![]() |
Cold War |
30 | External | GAU-13 | ![]() |
Cold War |
30 | Internal | Gryazev-Shipunov GSh-6-30 | ![]() |
Cold War |
37 | External | T250 | ![]() |
Cold War |
37 | External | Hotchkiss 1-pounder Rotary Cannon | ![]() |
19th century |
47 | External | Hotchkiss 3-pounder Rotary Cannon | ![]() |
19th century |