Artillery bunker remains

In the picture the front wall of Finnish gun bunker with 45 mm. anti-tank gun 45K/40 on the so called ball mount. The gun was developed in 1940 on the basis of captured Soviet gun 21-K. 45K/40 widely used in the VT-line as well as on Svir river installations in USSR and Salpa line in Finland. This piece was found 2-km north of museum bunker on the shore of Rzavaya Kanava in the swamp Kanavnoe.