 Consequently, the Austrian infantry, which were only equipped with muzzle-loading rifles, suffered a disproportionate number of casualties.The Prussian Second Army, invading Bohemia, had to split up in order to negotiate the passes of the Riesen Mountains (Krkonoše).General Karl Friedrich von Steinmetz's 5th Corps was nearly caught as it emerged from a gully by the town of Nachod, Bohemia.