Related Clues:

• Gangster's gun
• Rod
• Winter warmer
• Gat
• Pistol, slangily
• Piece
• Punk's pistol
• Furnace, for one
• Warming device
• Auto device
• Fastball, in dugout slang
• Fire a gun
• Punk's piece
• Radiator, e.g.
• Furnace, e.g.