Thanks mate, that's useful. 
I get the translucent nalgene bottle at 134g empty on my postal scales. So....
USGI cup + stand + nalgene = 419g
Crusader cup + cooker + pat '58 bottle = 664g
Difference = 245g, or more than half a pound.

I get the translucent nalgene bottle at 134g empty on my postal scales. So....
USGI cup + stand + nalgene = 419g
Crusader cup + cooker + pat '58 bottle = 664g
Difference = 245g, or more than half a pound.