Sorry if it's a repost...
I thought his highlighting the amount of energy "lost" (i.e. not applied to the bullet) when the roud was fired by the revolver vs. the pistol was very telling
Goes to show you. Even when completely submerged, a Ruger P95 will not stove pipe. God Bless American made firearms.
The water can be pushed out of the barrel, whereas in an engine, there is nowhere for the water to go