 The ship was armed with ten 10 @.@ 5 cm SK L / 45 guns in single pedestal mounts . There were two side by side forward on the forecastle , six amidships , three on either side , and two side by side aft . The guns had a maximum elevation of 30 degrees , which allowed them to engage targets out to 12 @,@ 700 m ( 41 @,@ 700 ft ) . They were supplied with 1 @,@ 500 rounds of ammunition , for 150 shells per gun . Königsberg also carried ten 5 @.@ 2 cm ( 2 @.@ 0 in ) SK guns in single mounts . She was also equipped with a pair of 45 cm ( 17 @.@ 7 in ) torpedo tubes with five torpedoes submerged in the hull on the broadside . The ship was protected by an armored deck that was 80 mm ( 3 @.@ 1 in ) thick amidships . The conning tower sides were 100 mm ( 3 @.@ 9 in ) thick . 
