That's what I thought too. But if you go onto weaponsonline forum there is a thread there correcting David Gordon on this. (weaponsonline.proboards.com/index.cgi?board=lewis&action=display&thread=566)As mentioned. Lewis Gun cover
ref: Weapons of the WWII Tommy - Gordon
Humm.... maybe it could have been used for both???.... god knows with some types military kit back then....




























