10mm vs. .40 S&W: Similarities, Differences and Uses
Both the 10mm and the .40 S&W use a .40-caliber projectile and were developed around the same time, but there are big differences between the two. Here's the rundown.
Both the 10mm and the .40 S&W use a .40-caliber projectile and were developed around the same time, but there are big differences between the two. Here's the rundown.