M621 cannon

M621
TypeAutomatic cannon
Place of originFrance
Production history
DesignerGIAT Industries
ManufacturerNexter Systems
Variantssee variants
Specifications
Mass45.5 kg (100.31 lb)
Length2,207 mm (86.9 in)
Barrel length1,460 mm (57 in)
Width202 mm (8.0 in) (in mount)
Height245 mm (9.6 in) (in mount)
Cartridge20×102mm
Caliber20mm
ActionGas operated, delayed blowback
Rate of fire800 rounds/min
Muzzle velocity1,005 m/s (3,297 ft/s) (AP-T)
985 m/s (3,231.6 ft/s) (HEI and TP)
Feed systemOpen-link M12 belt

The M621 is a 20 mm automatic cannon of French design, developed by Nexter as on-board armament for armored vehicles, aircraft, helicopters and small coastal vessels of the French Navy.

Variants

THL 20

Turreted cannon for helicopters.[1]

POD NC 621

Cannon pod for helicopters and light aircraft.[2]

ARX 20

Remotely controlled weapon station with M621 and a 7.62×51mm machinegun.

SH20

Door mounted cannon for helicopters.[3]

CP 20

Pintle-mounted cannon for vehicles and boats.[4]

15A

Cannon for naval ships.[5]

NARWHAL

As remote-controlled naval gun on the Nexter Narwhal 20A.[6]

See also

References

  1. ^ THL 20
  2. ^ POD NC 621
  3. ^ SH20
  4. ^ CP 20
  5. ^ 15A - 15B
  6. ^ NARWHAL


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