Related Clues:

• Shells, but not ziti
• Shots
• BBs and .22s, e.g.
• Ordnance
• Colt's feed
• Magazine filler
• It comes in rounds
• Cartridge fill
• 1-Down, e.g.
• It's loaded
• Live shot
• It may come in a round
• Snowballs and peas, sometimes
• BBs, e.g.
• Magazine items?