bullet, gunstone

PELLET
WordClue
BOWbullet - pistol, arrow - ?
ARROWpistol - bullet, bow - ?
PISTOLtorpedo - submarine, bullet - ?
TORPEDOpistol - bullet, submarine - ?
SUBMARINEbullet - pistol, torpedo - ?
BUTCHbulldyke
BOWbullet - pistol, arrow - ?