Modern Engineering Marvels on MSN

Engineers compare 9mm and .45 ACP: 8 constraints that decide the outcome

There is no standard caliber of handgun that offers an assured “off switch.” The fact that the 9mm vs. .45 ACP debate is never resolved is due to the fact that both have the same ability to arrive in ...
The Avid Outdoorsman on MSN

The rifle calibers you probably overlooked—and why they matter

The rifle caliber conversation in 2026 is louder than it needs to be. You’ve got a handful of “default”... The post The rifle ...