OB 10.5cm Flak is a World War II-era anti-aircraft bunker located in Norway. This concrete fortification was part of the German Atlantic Wall defenses, designed to protect against Allied air attacks. The bunker housed a 10.5cm anti-aircraft gun, a common caliber used by the German military for medium-range air defense.
Situated in a strategic location, it formed part of the extensive network of fortifications built along the Norwegian coast during the German occupation. Today, the bunker stands as a historical reminder of the military architecture and defensive strategies employed during the war.