1) Artillery ammunition
Found on
https://www.crosswordclues.com/clue/driving-band
The driving band or rotating band is part of an artillery shell, a band of soft metal near the middle of the shell, typically made of gilding metal, copper or lead. When the shell is fired the pressure of the propellant swages the metal into the rifling of the barrel, providing a seal preventing the gases from blowing past the shell and engaging w...
Found on
http://en.wikipedia.org/wiki/Driving_band
No exact match found.
