Why People Argue About 9mm vs. .45 ACP

One of gun folks’ favorite debates is the ever-popular 9mm vs. .45 ACP. The 10mm vs. basically anything else comes close. Then there’s .30-06 vs. those who are wrong. Why, some newbies may wonder, is there such an intense and long-standing argument over the merits of 9mm compared to .45 ACP? What’s been relatively common […]