Yes thats what they were...but they were small, compact, with a massive magazine and the bit that extends at the back to fit nicely on your shoulder.
GR, If you didnt already know most, (obviously not all), of todays new weapons are designed to hurt you rather than rip you apart like the G3s. According to the army older is better. Dont worry though...as far as I know the Greeks are holding onto them too.