Modern Engineering Marvels on MSNOpinion
The FBI’s caliber switches were engineered by penetration rules and pistol-wide reliability
The long loop of 9mm to 10mm to .40 S&W to 9mm by the FBI looks like a caliber argument until the medium of the test is ...
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 ...
The most common definition of “caliber,” as it pertains to guns, is about as straightforward as you could want it to be: Caliber simply mean the diameter of the hole in a rifle or pistol barrel. Yet ...
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