105mm L7A1 cannon on Centurion tank. Note the rifled barrel and thermal sleeve.
Source: Unknown author -
© Copyright lies with original owner
105mm M68 cannon on M60A1 Patton tank.
Source: US Army -
© Public domain
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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