ored vehicles such as the Jagdpanther, Hornisse/Nashorn and Ferdinand/Elefant tank destroyers. The Nashorn was the first vehicle to carry the KwK/PaK 43 series of guns. The series included: PaK 43 (cruciform mount), PaK 43/41 (two-wheel split-trail carriage), PaK 43/1 (Nashorn), and PaK 43/2 (Ferdinand/Elefant), all with monobloc (one-piece) barrels; PaK 43/3 and 43/4 (Jagdpanther) with two-piece barrel, and KwK 43 (Tiger II) with two-piece barrel.