Leftmost COULD be a Lewis AMG, as theorized by 36_Hammon, but I've never seen a stock like that one, not that type of muzzle arrangement...?
Lewis AMG -
Scratch that... could it be this? Look at the third MG down. Never seen this config of the Lewis before with a wooden forestock and some kind of loop stock attached to the aircraft machine gun spade grip...?
http://2.bp.########.com/_KnrjEyD9y2E/TJ4pQYK0SmI/AAAAAAAAAeQ/SGKxJSn-DEM/s1600/100529+Wehrtechnisches+Museum+31+compressed.jpg
Lewis AMG -
Scratch that... could it be this? Look at the third MG down. Never seen this config of the Lewis before with a wooden forestock and some kind of loop stock attached to the aircraft machine gun spade grip...?
http://2.bp.########.com/_KnrjEyD9y2E/TJ4pQYK0SmI/AAAAAAAAAeQ/SGKxJSn-DEM/s1600/100529+Wehrtechnisches+Museum+31+compressed.jpg




















































