Possible Clues:

• Against toting a woman's gun
• Howitzer, e.g.
• One gets fired from the Church, by the sound of it
• What sounds like a standard piece of artillery?
• Sounds like standard shot at billiards?
• Gun - billiards' shot
• Might one get one's discharge from the Church?
• Gun shot
• See, one needs a barrel with a girl on the end
• Able to be fired, no?