I have seen a lot of answers, that are telling that it has more damage area and it fits in auto loaders better. I accept the second one, but not the first. Imagine a 9mm hits a vest and… nothing, probably a couple of broken bones, even though it has a larger damage area. Then the person takes their gun and shoots you. Your shots were probably useless. But if that 9mm was pointy it would, depending on the vest, penetrate it and hit the person, severely damaging the person. You’re now safe. That’s my scenario. So why are low caliber bullets not pointy?
In: Engineering
Geometrically speaking, the peak volume to material ratio is a sphere. Meaning that in order to add a point to a low caliber round, you have to add material. Material has weight. Adding weight to the bullet means that you would need to add propellant (gunpowder) to maintain the same velocity. By keeping the bullets compact, you minimize the powder needed to achieve the desired velocity.
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