The M621 is a 20 mm automatic cannon of French design, developed by KNDS France as on-board armament for armored vehicles, aircraft, helicopters and small coastal vessels of the French Navy. It fires the same 20×102mm ammunition as the M61 Vulcan.
The M621 is a 20 mm automatic cannon of French design, developed by KNDS France as on-board armament for armored vehicles, aircraft, helicopters and small coastal vessels of the French Navy. It fires the same 20×102mm ammunition as the M61 Vulcan.
Door mounted cannon for helicopters.[3]
Pintle-mounted cannon for vehicles and boats.[4]
Cannon for naval ships.[5]
As remote-controlled naval gun on the Nexter Narwhal 20A.[6]