M621 cannon
From Self-sufficiency
| M621 | |
|---|---|
| Type | Automatic cannon |
| Place of origin |  France
|
| Production history | |
| Designer | GIAT Industries |
| Manufacturer | GIAT Industries (currently Nexter) |
| Specifications | |
| Weight | 45.5 kg (100.31 lb) |
| Length | 2,207 mm (86.9 in) |
| Width | 202 mm (8.0 in) (in mount) |
| Height | 245 mm (9.6 in) (in mount) |
| | |
| Cartridge | 20x102mm |
| Action | Blowback operated |
| Rate of fire | 800 rounds/min |
| Muzzle velocity | 1,005 m/s (3,297 ft/s) (AP-T) 985 m/s (3,231.6 ft/s) (HEI and TP) |
| Feed system | Open-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.
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