Royal Ordnance L7
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The Royal Ordnance L7, officially designated Gun, 105 mm, Tank, L7, is the basic model of the United Kingdom's most successful tank gun. It is a 105 mm L/52 rifled design by the Royal Ordnance Factori
An L7 mounted on a Centurion Mark 5
Model of L7 gun barrel cut to show rifling inside, on display at the Deutsches Panzermuseum
62 caliber ZPL-94 on a Type 88A tank
ZPL-98A rifled gun mounted on the ZTL-11 assault vehicle
105×617mmR
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The 105×617mm, also known as 105×617mmR, is a common, NATO-standard, tank gun cartridge used in 105 mm guns such as those derived from the Royal Ordnance L7.
Royal Ordnance L7
…Maximum effective range: 1,800 m (2,000 yd) (APDS), 4,000 m (4,400 yd) (HESH) Cartridge: 105×617mmR L7A1…
A 105 mm DM16 illuminating round alongside a 105 mm DM23 APFSDS round (cross-sectioned).