Possible Clues:

• A watch for the arm
• Fast-firing rifle
• One taking a class over
• Gun to make soldiers safe, reportedly
• Watch for instance salesman needing support from Apple?
• A salesman one feeding a duplicator
• Will he pass on what you said about the gun?
• A gun for the teller
• Could be a hunter with a gun
• Concerned over safe in which there's a firearm