A I I N l I X T W

Metric calibre

Rim diarn. mm

Body diam. mm

Country of origin/main use

Projectile type/

weight gm

Muzzle velocity m/sec

Muzzle energy joules

Name ¡Weapons chambered in

20 X 138B

27.0

27.0

AP/101

48,000 60,500

Solothurn (Long): FlaK 30+38 AA, KwK 30+38 AFV, MG C/30 L air, Breda M 35, Scotti and Lahti L40 AA. plus SI8-1000/1100 and Lahti ATRs 134g loading was for

MG C/30 L

20 X 139 FMK

28.5

28.5

CH

HE/131 AP/147

1,010 930

66,800 63,800

WW2 FMK aircraft and WW2+ post-war Flab Kan 38 AA. (Rim 2.6mm thick)

20 X 139

28.5

28.5

CH/D/F

HE/120 APDS/108

1,100 1,250

72,600 84,400

HS 820/0erlikon KAD (US Ml39), Rheinmetall Rh 202, GIATM 693, Mauser MK20, HS 827 exp. (Rim 3.5mm thick)

20 X 142

33.4

33.5

J

H ET/132

950

59,600

IJA 20mm Type 98 AA

20 X 145R

29.5

25.4

S

AP/145

815

48,200

20mm Bofors m/40 A A/AT (+ sub-calibre training)

23 X 115

27.0

27.0

SU/PRC

200 175

690 740

47,600 47,900

23mm NS/NR 23 (690 m/s loading) 23mm AM: GSh23/6-23, Norinco Type 2 (740 m/s)

23 X 152B VYa

33.4

33.2

SU

API/200

880

77,400

aircraft gun (brass case) (+ sub-calibre training)

23 X 152B ZU

33.3

33.2

SU/PRC

HEI/185

970

87,000

A A gun+2A14 AFV (steel case)

23 X 260

15.0

30.0

SU

HEI/174

885

68,100

R-23 aircraft (post-war frontloading revolver)

24 x 138

31.4

32.0

CH

AP/225

900

91,000

Pzw.Kan 38 AFV and TB.41 ATR

25 x 87R

31.5

28.1

UK/I/S

H E/200

470

22,100

Vickers-Terni (Akan m/22)

25 X 87

30.2

30.2

I

H E/200

440

19,400

FIAT/Revelli Modello 1917

25 X 137

38.0

38.2

APDS/128

FAPDS/150

APFSDS/

140

1,100 1,360 1,335 1,370

109,000 118,000 134,000 131.000

Oerlikon KBA, MDHC 242, Mauser E, GE GAU-12/U GE 225, Aden 25, GIAT 25 M 811 APDS penetrates 30mm/l,000in/60° APFSDS penetrates 30mm/l,400m/60°

25 X 163

42.6

42.7

F/J

HE/250 AP/300

900 875

101,000 115,000

Hotchkiss Mle 1938 AA, UN Type 96 A A

25 X 184

38.0

FAPDS/230

APDS/150

1,160 1,160 1,400

168,000 155,000 147,000

Oerlikon KBB/KBD

(181 mm case length also used, depending on projectile type)

0 0

Post a comment