Photo was made at the gun's deck. Now the ammo lift is in it's upper case and piercer is inside of the barrel (without projectile). The projectile itself has weight near to half ton and could be thrown at 42 km distance.
During the WW2 the battery took part in shelling of Soviet convoys evacuated troops from Hanko naval base November and December 1941. After the war the guns were dismounted and removed to 100 km distance from the sea shore, as it was stated by Moscow treatment of 1944.