You should be thankful that he is a strong feeder.

I prefer them to be aggressive during feeding.

Of course you could alays feed him more. Most people don't feed their kingsnakes enough and they are basically on a starvation diet.

How often are you feeding and what size is the snake and what size (grams) are you feeding him?
-----
FR quote:
"Doing the same things over and over expecting to learn something else, is the definition of insanity"