WW2 Russian improvised anti-aircraft gun built from captured German MG34s.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...a_fullsize.jpg
https://s3-us-west-1.amazonaws.com/h...w2_mg34_aa.jpg
Previously:
https://www.homemadetools.net/forum/...546#post162588
https://www.homemadetools.net/forum/...726#post163372
https://www.homemadetools.net/forum/...239#post150089
https://www.homemadetools.net/forum/...515#post132162