MG 151 (20 mm)

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Description

Converted from the 15 mm MG 151/15 cannon to a 20 mm after combat evaluation proved a larger high-explosive shell to be more effective than a high-velocity shell.

Vehicles equipped with this weapon

Vehicles equipped with this weapon
Fighters 
Bf 109 F  Bf 109 F-4 · Bf 109 F-4/trop · ▃Bf 109 F-4
Bf 109 G  Bf 109 G-2 · ▄Bf 109 G-2 · Bf 109 G-2/trop · Bf 109 G-6 · ▄Bf 109 G-6 · Bf 109 G-10 · Bf 109 G-14 · ▄Bf 109 G-14/AS
Bf 109 K  Bf 109 K-4 (Modification)
C.202/205  C. 202EC · C. 205 serie 3 · C. 205N2
Fw 190 A  Fw 190 A-4 · Fw 190 A-5 · Fw 190 A-5/U2 · Fw 190 A-5/U12 · ▅Fw 190 A-5 · Fw 190 A-8 · ▃Fw 190 A-8 · NC.900
Fw 190 C  Fw 190 C
Fw 190 D  Fw 190 D-9 · ▂Fw 190 D-9 · Fw 190 D-12 · Fw 190 D-13
Fw 190 F  Fw 190 F-8
G.55/56  G.55 sottoserie 0 · G.55 serie 1 · G.55S · G.56
IAR-81  IAR-81C
Ki-61  Ki-61-I hei · Ki-61-I hei Tada's
Pyörremyrsky  Pyörremyrsky
Re.2001/2005  Re.2001 CN · Re.2005 serie 0
S.O.8000  S.O.8000 Narval
Ta 152  Ta 152 C-3 · Ta 152 H-1
Twin-engine fighters 
Bf 110  Bf 110 F-2 (Suspended) · Bf 110 G-2 (Suspended) · Bf 110 G-4 · ▄Bf 110 G-4
Do 17  Do 17 Z-7
Do 217  Do 217 N-1 · Do 217 N-2
Do 335  Do 335 A-0 (Suspended) · Do 335 B-2
He 219  He 219 A-7
Ju 388  Ju 388 J
Me 410  Me 410 A-1 · Me 410 A-1/U2 · Me 410 A-1/U4 · Me 410 B-1 · Me 410 B-1/U2 · Me 410 B-2/U4 · Me 410 B-6/R3
Ta 154  Ta 154 A-1
Jet fighters  He 162 A-2 · Me 163 B-0 · Me 262 A-1a/U1
Attackers 
Hs 129  Hs 129 B-2 · Hs 129 B-2 (Romania) · Hs 129 B-2 (Romania)
SM.91/92  SM.91 · SM.92
Bombers  BV 138 C-1 (Defensive) · BV 238 (Defensive) · Do 217 E-2 · Do 217 E-4 · He 177 A-5 (Defensive)
  Ju 87 D-5 · Ju 188 A-2 (Defensive) · Ju 288 C (Defensive) · M.B.175T · Me 264 (Defensive)
Jet bombers  Ar 234 C-3
Heavy tanks  AMX-50 Surblindé
Tank destroyers  Lorraine 155 Mle.50
Motor torpedo boats  LS 4 Esau

General info

Available ammunition

Aircraft

  • Default: IT · IT · APHE · HEI
  • Universal: IT · HEI · HEI · AP-I
  • Air targets: AP-I · HEI · HEI · HEI · HEI · IT
  • Armored targets: APHE · APHE · APHE · IT
  • Tracers: FI-T · FI-T · FI-T · IT · IT
  • Stealth: HEI · HEI · HEI · APHE · AP-I


  • Default (turret): IT · HEI · APHE
  • Armored targets (turret): AP-I · AP-I · APHE · IT
  • Universal (turret): IT · HEI · HEI
Penetration statistics
Belt Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
Default 19 17 13 6 6 6
Universal 25 24 16 7 3 3
Air targets 25 24 16 7 3 3
Armored targets 19 17 13 6 6 6
Tracers 15 13 8 6 6 6
Stealth 25 24 16 7 3 3
Default (turret) 19 17 13 6 6 6
Armored targets (turret) 21 17 13 6 6 6
Universal (turret) 15 13 8 6 6 6

Tanks

  • Default: HEFI-T · AP-I
Penetration statistics
Belt Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
Default 26 24 17 11 7 5

Ships

  • Universal: HEFI-T · API-T · API-T
  • 20 mm HE belts: HEFI-T · HEFI-T · HEFI-T · API-T
  • 20 mm AP belts: API-T · API-T · API-T · HEFI-T
Penetration statistics
Belt Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
Universal 26 24 19 15 13 11
20 mm HE belts 26 24 19 15 13 11
20 mm AP belts 26 24 19 15 13 11

Comparison with analogues

Usage in battles

This weapon is very dangerous to air targets due to the minengeschoß shell, which makes the MG 151/20 arguably the best 20 mm cannon against air targets. Unless other ammunition is needed for a specific reason, always choose the ammo belt with most minengeschoß available.

Pros and cons

Pros:

  • Minengeschoß shell (an improved HEI shell) provides a lot of hitting power against aircraft
  • Larger ammo count than the other German 20 mm cannons
  • Higher muzzle velocity than the other German 20 mm cannons
  • Faster firing and less prone to jamming than the Allied Hispano variants

Cons:

  • Still lower muzzle velocity compared to most machine guns
  • Ineffective against armoured ground targets, even with APHE shells
  • Tracer and HEI (Minengeschoß) have slightly different trajectories which reiterate knowing your ammunition

History

Examine the history of the creation and combat usage of the weapon in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: https://wiki.warthunder.com/(Weapon-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref></ref>, as well as adding them at the end of the article with <references />.

Media

Videos

See also

External links

Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • other literature.


USA aircraft cannons
20 mm  AN/M2 · Browning-Colt Mk12 Mod 0 · Browning-Colt Mk12 Mod 3 · FMC T-160
  M3 · M24A1 · M39A1 · M39A2 · M39A3 · M61 · M195 · M197 · Mk 11 · Mk 11 mod 5 · T31
30 mm  M230E-1 · XM140 · GAU-13/A
37 mm  M4 · M9 · M10
40 mm  M129
75 mm  M10 · T13E1
  Foreign:
20 mm  Hispano 404 (France) · Hispano Mk.II (Britain) · MG 151 (Germany) · Type 99 Model 1 (Japan)
30 mm  ADEN Mk.4 (Britain)

Germany aircraft cannons
15 mm  MG 151
20 mm  MG 151 · MG C/30L · MG FF · MG FF/M
30 mm  MK 101 · MK 103 · MK 108
37 mm  BK 3.7
50 mm  BK 5 · Mk.214a
75 mm  BK 7.5
  Foreign:
20 mm  Hispano Mk.V (Britain) · M24A1 (USA) · M61 (USA) · M61A1 (USA) · ShVAK (USSR)
23 mm  GSh-23L (USSR) · NR-23 (USSR) · VYa-23 (USSR)
30 mm  DEFA 552 (France) · GSh-30-2K (USSR) · NR-30 (USSR)
37 mm  N-37D (USSR)

USSR aircraft cannons
20 mm  B-20E · B-20M · B-20S · ShVAK
23 mm  GSh-23-2 · GSh-23L · NR-23 · NS-23 · NS-23K · PTB-23 · VYa-23
30 mm  2A42 · GSh-6-30 · GSh-30-2K · NR-30
37 mm  N-37 · N-37D · NS-37 · SH-37
45 mm  NS-45
  Foreign:
20 mm  Hispano Mk.II (Britain) · MG 151 (Germany)
37 mm  M4 (USA) · M10 (USA)

Japan aircraft cannons
20 mm  Ho-1 · Ho-3 · Ho-5 · JM61A1 · Type 99 Model 1 · Type 99 Model 2
30 mm  Ho-155 · Type 5
37 mm  Ho-203 · Ho-204 · Type 94
40 mm  Ho-301
57 mm  Ho-401
75 mm  Type 88
  Foreign:
20 mm  M61 (USA) · M197 (USA) · MG FF (Germany) · MG FF/M (Germany) · MG 151 (Germany)
30 mm  M230E-1 (USA)

Italy aircraft cannons
20 mm  Hispano 404 (France) · Hispano Mk.II (Britain) · Hispano Mk.V (Britain) · M24A1 (USA) · M61 (USA) · M61A1 (USA) · M197 (USA) · MG 151 (Germany) · MG FF/M (Germany)
30 mm  DEFA 552 (France) · Hispano HS 825 · MK 103 (Germany) · MK 108 (Germany)
37 mm  BK 3.7 (Germany) · Breda Model 39 37/45
102 mm  102/35 mod 14

France aircraft cannons
20 mm  GIAT M.621 · Hispano 404 · Hispano HS.9 · M50
30 mm  DEFA 541 · DEFA 551 · DEFA 552 · DEFA 552A · DEFA 553 · GIAT M781
  Foreign:
20 mm  AN/M2 (USA) · Browning-Colt Mk12 Mod 3 (USA) · M3 (USA) · M24A1 (USA) · M39A1 (USA) · MG 151 (Germany) · ShVAK (USSR)
37 mm  M10 (USA) · NS-37 (USSR)

Sweden aircraft cannons
20 mm  Akan m/41A · Akan m/45 · Akan m/47B · Akan m/47C · Akan m/49 · Oerlikon FF
30 mm  Akan m/55 · Akan m/75
57 mm  Akan m/45
  Foreign:
20 mm  MG 151 (Germany)
30 mm  MK 108 (Germany)

France tank cannons
20 mm  20F2
25 mm  SA34 L/72
37 mm  SA18 L/21 · SA38 L/33
47 mm  SA34 L/30 · SA35 L/32 · SA37
75 mm  APX · SA35 L/17 · SA44 · SA49 · SA50 L/57
90 mm  Canon de 90mm · CN90 F2 · CN90 F3 · CN90 F4 · DEFA F1 · SA45
100 mm  SA47 L/58
105 mm  CN-105-F1 · Modele F2 · PzK M57
120 mm  GIAT CN120-25 G1 · GIAT CN120-26 F1 · SA46
142 mm  ACRA
155 mm  L'Obusier de 155 Modèle 1950
  Foreign:
15 mm  MG 151 (Germany)
20 mm  MG 151 (Germany)
37 mm  M6 (USA)
40 mm  QF 2-pounder (Britain)
75 mm  KwK42 (Germany) · M3 (USA) · M6 (USA)
76 mm  M7 (USA)
105 mm  M4 (USA)

Germany naval cannons
15 mm  MG 151
20 mm  2 cm/65 C/30 · 2 cm/65 C/38 · 2 cm/65 Flakzwilling 38 · 2 cm/65 Flakvierling 38 · MG 151
30 mm  MK103/38
37 mm  3.7 cm FlaK-Lafette C/36 · 3.7 cm FlaK-Lafette LM/42 · 3.7 cm SK C/30
40 mm  4 cm Bofors Flak 28 · 40 mm/70 MEL58
88 mm  8.8 cm/76 SK C/32 · 8.8 cm S.K.C/35 · Flak.36 · 88 mm/45 AA SK L/45 · 88 mm/45 casemate SK L/45
100 mm  100 mm/55 MLE model 53
105 mm  10.5 cm SK C/32 · 10.5 cm SK C/33 AA
120 mm  L45
127 mm  12.7 cm SK C/34
150 mm  150 mm/45 SK L/45 · 15 cm/48 KC/36 · 15 cm/55 SK C/28 · 15 cm/60 SK C/25
203 mm  20.3 cm/60 SK C/34
283 mm  283 mm/45 SK L/45 · 283 mm/52 SK C/28
305 mm  305 mm/50 SK L/50
  Foreign:
30 mm  AK-230 (USSR)
76 mm  76 mm/62 OTO-Melara Compact (Italy)
100 mm  100 mm/55 MLE model 53 (France)