105mm Royal Ordnance L7
105mm L7A1 cannon on Centurion tank. Note the rifled barrel and thermal sleeve.
Source: Unknown author -
© Copyright lies with original owner
Early to late 1950's
1959 - present
Royal Ordnance Factories
Japan Steel Works
M68 (US military service)
KM68A1 (South Korean production)
Sharir (Israeli service)
105mm M68 cannon
105mm M68 cannon on M60A1 Patton tank.
Source: US Army -
© Public domain
Variants of the L7 cannon
Standard UK service variant. Mainly used on Centurion tank.
Variant modified for use on German Leopard 1.
US production model. Features a falling breech block. Used on early models of the M60 Patton.
US production model. Improved variant as used on later models M60 Patton and M1 Abrams. Also used on Israeli Merkava I, II and various Magach variants.
US production model. Variant for use on M1128 MGS.
South Korean production model of the M68A1
Swedish variant for use on Strv 103 which is equipped with automatic loader.
South African production model with modified recoil assembly. Developed for use on Olifant Mk 1A tank.
Variant license produced in Turkey for upgunning the M48 Patton series of tanks.
Japanese license produced model for use on Type 74 tank. Indigenous breech and recoil system.
Chinese production model. Used on Type 59-II tank. Type 79 and Type 81A variants also reported to exist.
Chinese production model. Used on Type 79 tank. Type 83A or Type 83-I variant also reported.
Chinese production model with slotted muzzle brake. Used on ZTS63A and ZTD05.
105mm NATO (105x607mmR, 105x617mmR)
Horizontal sliding breechblock
Automatic loader in Swedish Strv 103
Rate of fire
10 rpm, theoretical maximum
200 rounds of APDS
120mm Royal Ordnance L11
The 120mm L11 is the successor of the L7 in British service. The L11 was developed to arm the Chieftain main battle tank.
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