Once the king of the ring for a decade when it came to personal defense handgun rounds, the popularity of the .40 S&W has been on a steady decline for the past several years but don’t count it out just yet.
Is the .40 S&W Dead or Just Misunderstood?
![9mm vs .40 SW](https://cms.americanfirearms.org/wp-content/uploads/2023/11/DSC_0187.webp)