None saw combat. There were a number of different modifications done at Pearl for testing, but they never went forward.
Our military was convinced that against the readily flammable Japanese aircraft that a greater number of projectiles was better than harder hitting projectiles.
The F6F-5N saw quite a bit of action in both night and day missions.
This is a picture of a Hellcat squadron getting ready to take off from USS Ticonderoga against targets in Manila Bay. The two leading aircraft are F6F-5Ns.
Another picture of a F6F-5N getting ready to take off from USS Steamer Bay.
F6F-5N Hellcats with VMF(N)-541 on Alalops Island, Ulithi Atoll 1945
White 88 Hanger Queen getting ready to take off from USS Block Island
Don't know where you got none saw combat.
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