120×570mm NATO tank ammunition, also known as 120×570mmR, is a common, NATO-standard, tank gun semi-combustible cartridge used by 120mm smoothbore guns, superseding the earlier 105×617mmR cartridge us
The M256 is an American 120 mm smoothbore tank gun. It is a Rheinmetall Rh-120 L44 gun tube produced under licence with an American-designed mount, cradle and recoil mechanism. It is primarily used by
120×570mm NATO
…CV90120 Mk. IV. Rh-120 L55 ( Germany), used on later Leopard 2 variants including the Leopard 2E Rh-120 L55A1 ( Germany), foreseen for the Challenger 3 M256 ( United States), used on the M1 Abrams and M60-2000 M256E1 ( United States) XM360 ( United States) XM360E1 ( United States…
Front view of a M256 gun on an American M1A2 SEP main battle tank during a gunnery exercise at Red Cloud Range, 2013.