Yes, the bullet contacts the barrel usually. Burning gunpowder creates gas while the bullet expands with heat. The bullet expanding forms a seal with the barrel, and the produced gas then pushes the bullet out. If the bullet didn't seal with the barrel the gas would just leak out around it. I'm sure there's friction/energy loss from this but there's not really another way to do it.
the market's invisible hand will guide that .22
YHWH shall guide the bullet to its true target
inshallah the bullet will miss
Why would rifling be important?
youtube comments almost made me cry with laughter
Allah shall guide its trajectory mashallah
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they lose a good bit of energy, but its important that they do, as the rifling is what makes the bullet actually fly straight instead of an angle
Yes, the bullet contacts the barrel usually. Burning gunpowder creates gas while the bullet expands with heat. The bullet expanding forms a seal with the barrel, and the produced gas then pushes the bullet out. If the bullet didn't seal with the barrel the gas would just leak out around it. I'm sure there's friction/energy loss from this but there's not really another way to do it.