The L30A1, officially designated Gun, 120 mm, Tank L30, is a British-designed 120 mm rifled tank gun, installed in the turrets of Challenger 2 main battle tanks. It is an improved production model of
L30A1 gun mounted in the turret of a Challenger 2 tank
The Royal Ordnance L11A5, officially designated Gun, 120 mm, Tank L11, is a 120 mm L/55 rifled tank gun design. It was the second 120 mm calibre tank gun in service with British Army, the first of whi
Gun on Challenger 1 tank at Bovington Tank Museum, UK, 2010