GIAT CN120-26 F1 (120 mm)

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The GIAT CN120-26 F1 (also known as "Lisse") is a 120 mm anti-tank cannon, with a smoothbore barrel designed by EFAB de Bourges and manufactured by the French company GIAT. It was derived from the CN120-25 intended for the AMX-40 and it is only mounted on the Leclerc series of tanks.

It has a sliding vertical breechblock and it can also be distinguished by the absence of a fume extractor, instead, the gases are being evacuated by overpressure. However, the tropicalized Leclerc variant of the Emirati Army uses a system of blowing compressed air into the chamber via a cannula, instead of the overpressure system that the French counterpart uses.

Vehicles equipped with this weapon

General info

On the outer layer of the cannon, there is a thermal insulation jacket and the length of the cannon is 6,931 mm, with a mass of around 2,800 kg. The maximum rate of fire can be up to 12 RPM, but in practice, this is usually closer to 10 RPM. It has a maximum gun depression of 18° and minimum gun depression of -7°. The maximum effective range is 4,000 m for the APFSDS shell, and roughly 3,000 m for the HEAT shell, albeit in practice, it is lower than that.

Available ammunition

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
OCC 120 G1 HEATFS 480 480 480 480 480 480
OFL 120 G1 APFSDS 425 423 417 410 404 396
OFL 120 F1 APFSDS 575 573 565 557 547 537
Shell details
Ammunition Type of
Mass (kg)
Fuse delay
Fuse sensitivity
Explosive Mass
(TNT equivalent) (g)
0% 50% 100%
OCC 120 G1 HEATFS 1,100 14.4 0.05 0.1 2,150 65° 72° 77°
OFL 120 G1 APFSDS 1,780 3.8 N/A N/A N/A 78° 80° 81°
OFL 120 F1 APFSDS 1,790 3.8 N/A N/A N/A 78° 80° 81°

Comparison with analogues

Comparable cannons to the GIAT CN120-26 F1
Name Year of Production RPM Maximum Penetration (mm)
Rh120 L/55 1991 7 652
Ordnance QF Tk. L1A2 1957 3 362

Usage in battles

The Leclerc's OFL 120 F1 round with its fast velocity of 1,790 m/s and high penetration power makes it excellent at fulfilling the sniping role. One should avoid rural combat as the Leclerc series of tanks are easily destroyed in close quarters battles, as its weaknesses are very visible. Finding a vantage point where most of your tank is covered is the most effective way to use the GIAT CN120-26.

But since the user starts out with a HEAT-FS as their stock round, at first one will have to play more aggressively up until they unlock the OFL 120 F1 round, but should still generally avoid close quarters confrontations and brawls.

Pros and cons


  • Very fast autoloader
  • Effective kinetic energy round


  • HEAT-FS stock; a very weak APFSDS shell is locked as a Tier I modification, but a much stronger one is a Tier IV modification


The CN120-26 was designed by the EFAB de Bourges in the 1980s and it entered service in the year 1993. It was derived from the CN120-25 which was used in the AMX-40s. Over 800 of these cannons were produced and they are still in use to this day.


The CN120-26 F1 mounted on a Leclerc S2

See also

External links

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  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
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)