Jagdpanther had a cannon that was previously used on the German heavy tank used during what event?
Tiger II Tiger II is the common name of a German heavy tank of the Second World War. The final official German designation was Panzerkampfwagen" Tiger "Ausf". B, often shortened to Tiger B. The ordnance inventory designation was "Sd.Kfz." 182. It is also known under the informal name Königstiger" (the German name for the Bengal tiger), often translated literally as Royal Tiger, or somewhat incorrectly as King Tiger by Allied soldiers, especially by American forces.
Jagdfaust The "Sondergerät" SG 500 Jagdfaust ("hunting fist") or Jägerfaust ("hunter's fist") was an experimental airborne anti-bomber recoilless rifle designed for use in the Me 163 "Komet" rocket plane by the German "Luftwaffe" during World War II.