MG 151 (20 mm)

Description

Note: Gunpods containing MG 151 (20 mm) have reduced accuracy compared to those mounted conventionally

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/trop · Bf 109 G-2 · Bf 109 G-6 · Bf 109 G-10 · Bf 109 G-14 · ▄Bf 109 G-14/AS
Bf 109 K	Bf 109 K-4 (Suspended)
Fw 190 A	Fw 190 A-4 · Fw 190 A-5 · Fw 190 A-5 · ▅Fw 190 A-5 · Fw 190 A-5/U2 · Fw 190 A-8 · NC.900 · ▃Fw 190 A-8
Fw 190 C/D/F	Fw 190 C · Fw 190 D-9 · ▂Fw 190 D-9 · Fw 190 D-12 · Fw 190 D-13 · Fw 190 F-8
G.55/56	G.55 serie 1 · G.55 sottoserie 0 · G.55S · G.56
C.202/205	C. 202EC · C. 205N2 · C. 205 serie 3
Ta 152	Ta 152 C-3 · Ta 152 H-1
Other	IAR-81C · Ki-61-I hei · Re.2001 CN · S.O.8000 Narval
Twin-engine fighters
Bf 110	Bf 110 F-2 (Suspended) · Bf 110 G-2 (Suspended)
Do 17	Do 17 Z-7 · 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
Me 410 A	Me 410 A-1 · Me 410 A-1/U2 · Me 410 A-1/U4
Me 410 B	Me 410 B-1 · Me 410 B-1/U2 · Me 410 B-2/U4 · Me 410 B-6/R3
Ju 388	Ju 388 J
Ta 154	Ta 154 A-1
Jet fighters	He 162 A-2 · Me 163 B-0
Attackers	Hs 129 B-2 · Hs 129 B-2 (Romania) · ▄Hs 129 B-2 (Romania) · SM.91 · SM.92
Bombers	BV 238 (Defensive) · Do 217 E-2 · Do 217 E-4 · He 177 A-5 (Defensive) · Ju 87 D-5 · 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
Torpedo boats	LS 4 Esau

General info

Tell us about the tactical and technical characteristics of the cannon or machine gun.

Available ammunition

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

Comparison with analogues

Give a comparative description of cannons/machine guns that have firepower equal to this weapon.

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 Mk. II Hispano variants

Cons:

Still lower muzzle velocity compared to most machine guns
Ineffective against armored 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

An excellent addition to the article would be a video guide, as well as screenshots from the game and photos.

External links

Paste links to sources and external resources, such as:

topic on the official game forum;
encyclopedia page on the weapon;
other literature.

USA aircraft cannons
20 mm	AN/M2 · Browning-Colt Mk12 Mod 0 · Browning-Colt Mk12 Mod 3 · FMC T-160
	M3 · M24A1 · M39 · M39A1 · M39A2 · M39A3 · M61A1 · M195 · M197 · Mk 11 · Mk 11 mod 5 · T31
30 mm	M230E-1 · XM140 · GAU-8/A · GAU-13/A · LR30
37 mm	M4 · M9 · M10
40 mm	M75 · 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
27 mm	Mauser BK27
30 mm	Hispano HS 825 · 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) · M61A1 ^(USA) · ShVAK ^(USSR)
23 mm	GSh-23L ^(USSR) · NR-23 ^(USSR) · VYa-23 ^(USSR)
30 mm	DEFA 552 ^(France) · GSh-30-1 ^(USSR) · 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-6-23M · GSh-23L · NR-23 · NS-23 · NS-23K · PTB-23 · VYa-23
30 mm	2A42 · GSh-6-30 · GSh-30-1 · GSh-30-2 · 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 · 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	M39A3 ^(USA) · M61A1 ^(USA) · M197 ^(USA) · MG FF ^(Germany) · MG FF/M ^(Germany) · MG 151 ^(Germany)
30 mm	GAU-13/A ^(USA) · M230E-1 ^(USA)

Italy aircraft cannons
20 mm	TM197B
30 mm	Hispano HS 825
37 mm	Breda Model 39 37/54
102 mm	102/35 mod 14
	Foreign:
20 mm	B-20E ^(USSR) · B-20M ^(USSR) · B-20S ^(USSR) · Hispano 404 ^(France) · Hispano Mk.II ^(Britain) · Hispano Mk.V ^(Britain) · M24A1 ^(USA) · M61A1 ^(USA) · MG 151 ^(Germany) · MG FF ^(Germany) · MG FF/M ^(Germany) · ShVAK ^(USSR)
23 mm	GSh-23L ^(USSR) · NR-23 ^(USSR) · NS-23 ^(USSR)
27 mm	Akan m/85 ^(Sweden) · Mauser BK27 ^(Germany)
30 mm	DEFA 552 ^(France) · GSh-30-1 ^(USSR) · GSh-30-2K ^(USSR) · MK 103 ^(Germany) · MK 108 ^(Germany) · NR-30 ^(USSR)
37 mm	BK 3.7 ^(Germany) · N-37 ^(USSR) · N-37D ^(USSR)

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 · DEFA 554 · GIAT M781
	Foreign:
20 mm	AN/M2 ^(USA) · Browning-Colt Mk12 Mod 3 ^(USA) · Hispano Mk.II ^(Britain) · Hispano Mk.V ^(Britain) · M3 ^(USA) · M24A1 ^(USA) · M39A1 ^(USA) · M61A1 ^(USA) · MG 151 ^(Germany) · ShVAK ^(USSR)
30 mm	ADEN ^(Britain)
37 mm	M4 ^(USA) · M10 ^(USA) · NS-37 ^(USSR)

France tank cannons
20 mm	20F2
25 mm	SA35 L/72
37 mm	SA18 L/21 · SA38 L/33
47 mm	SA34 L/30 · SA35 L/32 · SA37
75 mm	APX · APX Canon de 75 mm modèle 1897 · SA35 L/17 · SA44 · SA49 · SA50 L/57
90 mm	D.911 APX · CN90 F2 · CN90 F3 · CN90 F4 · D915 · DEFA F1 · SA45 · SA47
100 mm	SA47 L/58
105 mm	CN-105-F1 · Giat 105 G2 · Modele F2 · PzK M57
120 mm	GIAT CN120-25 G1 · GIAT CN120-26 F1 · SA46
142 mm	ACRA
155 mm	GCT F1 · Schneider 155 C · L'Obusier de 155 Modèle 1950
	Foreign:
15 mm	MG 151 ^(Germany)
20 mm	MG 151 ^(Germany)
30 mm	Bushmaster 2 Mk.44 ^(USA)
37 mm	M6 ^(USA)
40 mm	Bofors L/60 · QF 2-pounder ^(Britain)
75 mm	KwK42 ^(Germany) · M3 ^(USA) · M6 ^(USA)
76 mm	M7 ^(USA)
90 mm	M3 ^(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 151/20
30 mm	MK103/38
37 mm	FlaK-Lafette C/36 · 3.7 cm FlaK-Lafette LM/42 · SK C/30 · FlaK.36 · FlaK43
40 mm	40 mm/70 MEL58 · Bofors Flak 28 · Bofors L/70 model 1948
52 mm	52 mm/55 SK L/55
88 mm	8.8 cm/76 SK C/32 · S.K.C/35 · FlaK.18 · 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	SK C/32 · SK C/33 AA
120 mm	L45
128 mm	12.8 cm/45 SK C/34 · 12.8 cm SK C/41
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 · 283 mm/54,5 SK C/34
305 mm	305 mm/50 SK L/50
380 mm	38 cm SK L/45
	Foreign:
23 mm	ZU-23 ^(USSR)
25 mm	2M-3 ^(USSR)
30 mm	AK-230 ^(USSR)
37 mm	V-11 ^(USSR)
76 mm	76 mm/62 OTO-Melara Compact ^(Italy)
100 mm	100 mm/56 B-34 ^(USSR)

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