Related Clues:

• Soldier's necessity, briefly
• 24 Across stock
• Pistol pellets
• Munitions, for short
• Magazine's contents
• Shot in the arm?
• Cartridges
• Bullets and shells, for short
• Gun dealer's stock
• BBs, say
• Some matériel
• BB's and shells
• Soldier's need
• Rounds, for example
• Spitballs, to class clowns