Shells (5)
'shells' is the definition.
(I know this)
This is all the clue.
(Another definition for husks that I've seen is " Coverings, shells".)
'shells' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for ammo that I've seen before include "eg Bullets, shells" , "Bullets, shells, rockets etc" , "essential supplies for soldiers" , "Shot" , "Bullets, shells (colloq.)" .)