Stielhandgranate

The "Stielhandgranate" german for "Stick hand grenade" is an actual WWII grenade but, instead of pulling the pin, you throw the whole stick.

It was introduced in the four first maps Nacht Der Untoten,Verrükt,Shi no numa and Der Reise.

IT IS ALSO USED IN THE CAMPAGIN.

This one is better https://callofduty.fandom.com/wiki/Stielhandgranate