The Avenger had two forward firing 50 cal. machine guns and one 50 cal. machine gun in the turret aft of the canopy.
Grumman TBM-3E
Avenger
The Grumman Avenger was the largest single engine aircraft built by the U.S. during WWII. It could carry 2,000 pounds of bombs or one 2,000 pound torpedo, two 100 gallon drop tanks, and eight 5 inch high velocity rockets.