The debate over the 9mm and .45 ACP is one of the most talked about in the firearms community. Both handguns/calibers have a huge following thanks to their popularity and success in the field. 9mm vs .45 ACP Match Ups One of the biggest mistake that most people make is taking a black-and-white stance (only looking at ballistics stats) on the .45 ACP and 9mm. Many will say that the .45 is better because it shoots a bigger caliber bullet, or that the 9mm is better because of its higher magazine capacity. Both points are spot on and provide good...