The Leopard 2 is a German main battle tank (Kampfpanzer) developed by Krauss-Maffei in the early 1970s and first entering service in 1979. The Leopard 2A6 includes the addition of the Rheinmetall 120 mm L55 smoothbore gun and a number of other changes-wiki
Leopard 2A6 Tank Papercraft
