What is the difference between 38 special and 45ACP ammunition

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/ammo-club/media/45-ACP-vs-38-S

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45 ACP vs. 38 Super

GECO .38 Special Full Metal Jacket Flat Nose 10,2g

38 Special Vs 380 ACP

Ammo Evolution: .38 Special Treasury Load –

What is the difference between 38 special and 45ACP ammunition? - Quora