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Discussion in 'Ammunition & Reloading' started by Pistolero, Jul 12, 2007.
Does anyone know why some bullets are smaller at the top and bigger at the bottom?
Bottle neck ammo
To make room for more gunpowder to make the bullet go faster. If a .223 was not bottlenecked it would be scarcely better than a .22 magnum.
A side benefit is feeding. If you are chambering a .22 caliber bullet into a .36 caliber hole it goes in easier with fewer malfunctions.