RARDEN

L21A1 RARDEN
Type	Autocannon
Place of origin	United Kingdom
Service history
Used by	British Armed Forces
Production history
Designer	Royal Small Arms Factory
Designed	1966
Produced	1970
Specifications
Mass	113 kg (249 lb)
Length	3,150 mm (10 ft 4 in)
Barrel length	2,430 mm (96 in)
Cartridge	30x170 mm KCB
Caliber	30 mm
Action	Long recoil
Rate of fire	90 rds/min
Muzzle velocity	1,070 m/s (3,500 ft/s) HE or 1,175 m/s for APDS
Feed system	Manual 3-round clip

The L21A1 RARDEN ("Royal Armament, Research and Development Establishment" and "Enfield") is a British 30 mm autocannon used as a combat vehicle weapon.^[1] The Royal Armament Research and Development Establishment (RARDE) and the Royal Small Arms Factory (RSAF), were part of the Ministry of Defence, at the time.