Turret of machine-gun BUK-2

Karelian land are full of miracles. There was the hot discussion in one of war forums about mysterious turrets in Karelian woods. You can see one of them on the picture. There were various opinions what is it - a flame thrower, laser system and so on. However, it is the bent barrel 7.62 machine-gun system. To be exact, there were two machine-guns directed in opposite directions.