QF 2-pounder (40 mm)

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The 40 mm QF 2-pounder on the A13 Mk I (3rd R.T.R.) gun mantlet.


Following the 1935 budget in Britain, the Government decided to standardise the armaments employed by both the Royal Tank Regiment and anti-tank gun companies to be identical. The first tank to utilise this gun was the Cruiser Mk. I (A9) which entered service in 1938. This tank, whilst not in the game, saw service in North Africa and France alongside other tanks such as the A13.

Seeing action during the Phony War and the Retreat to Dunkirk, it was first used on the battlefield by the Belgian Army, however many of the guns that were produced had to be abandoned following the evacuation of Dunkirk. Stockpiles in Britain would eventually be distributed to the Army before they were phased out for the QF 6-pounder, and the remaining guns were sent to Home Guard Anti-tank sections across the United Kingdom.

The gun was proven to show its effectiveness against the early Panzer IIs and Panzer IIIs however it could also pierce elements of the later Panzer IVs until the E variant.

Vehicles equipped with this weapon

Vehicles equipped with this weapon
Light tanks  Daimler Mk II · Tetrarch I · SARC MkIVa · SARC MkVI (2pdr)
A13  A13 Mk I · A13 Mk I (3rd R.T.R.) · A13 Mk II · A13 Mk II 1939
Crusader  Crusader II · Crusader "The Saint" · ▄Crusader Mk.II
Medium tanks  Valentine I · A.C.I
Heavy tanks  Churchill I · Matilda III · Matilda Hedgehog

General info

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

Available ammunition

Msg-info.png "Shell Mk.2 HE" can only be found on certain vehicles.

Penetration statistics
Ammunition Type of
Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
Shot Mk.1 AP/T AP 72 68 52 37 27 19
Shell Mk.2 HE 9 8 7 6 6 5
Shot Mk.IXB APCBC/T APCBC 89 86 77 66 57 50
Shot Mk.1 APHV/T AP 80 75 58 41 30 21
Shell Mk.1 AP/T APHE 66 62 49 36 26 20
Shell details
Ammunition Type of
mass (kg)
Fuse delay
Fuse sensitivity
Explosive mass
(TNT equivalent) (g)
0% 50% 100%
Shot Mk.1 AP/T AP 792 1.08 - - - 47° 60° 65°
Shell Mk.2 HE 687 1.34 0.1 0.1 85 79° 80° 81°
Shot Mk.IXB APCBC/T APCBC 792 1.24 - - - 48° 63° 71°
Shot Mk.1 APHV/T AP 853 1.08 - - - 47° 60° 65°
Shell Mk.1 AP/T APHE 792 1.08 1.2 9 20.9 47° 60° 65°

Comparison with analogues

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

Usage in battles

The QF 2-pounder has a rapid rate of fire and decent penetration. This makes it the ideal candidate for brawling or flanking manoeuvres. Using the QF 2-pounder for long range fire on enemy tanks is ill-advised: the penetration drops sharply the further away you get, and there are better options in your arsenal, such as the QF 17-pounder (76 mm). If you must engage at long range, consider using the Shot Mk.IXB or the Shot Mk.1 APHV/T.

Pros and cons


  • High-penetrating APCBC round
  • Quick reload
  • Decent muzzle velocity


  • Lack of explosive filler on solid shots means multiple shots could be needed to take out a target
  • 3 of the 4 available armour-piercing rounds lose penetration very quickly over range
  • APHE shell is only useful at very close range and often bounces


The gun proved its effectiveness against early Panzer IIs and Panzer IIIs and proved effective even later against more advanced enemies where it could also pierce elements of the Panzer IVs until the E variant arrived to the battlefield.

Examinations of the gun on angled surfaces showed good results in the 1936 tests.[1]


Excellent additions to the article would be video guides, screenshots from the game, and photos.

See also

Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:

  • reference to the article about the variant of the cannon/machine gun;
  • references to approximate analogues by other nations and research trees.

External links


  1. Bird, Lorrin; Lingston, Robert (2001). World War II Ballistics: Armor and Gunnery. Albany, NY USA: Overmatch Press. p. 60

Britain tank cannons
30 mm  L21A1
40 mm  QF 2-pounder
47 mm  Ordnance QF 3-pounder
57 mm  6pdr OQF Mk.III · 6pdr OQF Mk.V
75 mm  OQF Mk.V
76 mm  OQF 3-inch Howitzer Mk I · OQF 3in 20cwt · QF 17-pounder
77 mm  OQF Mk.II
84 mm  20pdr OQF Mk.I
94 mm  28pdr OQF · 32pdr OQF · OQF Mk.II
95 mm  Howitzer, Tank No.1, Mk.I
105 mm  LRF · Royal Ordnance L7A1
120 mm  Ordnance QF Tk. L1A2 · Ordnance BL Tk. L11 · L11A5 · L30A1
165 mm  ORD BL 6.5in L9A1
183 mm  QF L4A1
25 mm  M242 (USA)
37 mm  M5 (USA) · M6 (USA)
75 mm  M2 (USA) · M3 (USA)
84 mm  kan Strv 81 (Sweden)
105 mm  Sharir (Israel)
120 mm  Rh120 L/55 A1 (Germany)
125 mm  2A46M-5 (Russia)
155 mm  M185 (USA)
  South Africa
20 mm  GI-2
76 mm  GT-4
90 mm  GT-2
105 mm  GT-3 · GT-7 · GT-8
155 mm  G6 L/45

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
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)