There were two batteries: battery #331 on the right flank with 3 152-mm/45 Kanet guns and battery #332 on the left flank with it's 4 120-mm/50 Vikkres guns. In the 1950s, the positions were upgraded for 4 x 130-mm B-13 guns and combined in a single massive. It's appearence is the same as at Fort Krasnaya Gorka - to concrete base, shelter for crew, a covered gallery with ammo cellars around emplacements.