The .30-378 Weatherby Magnum is the fastest .30-caliber rifle cartridge in the world. It’s about 500 fps (341 mph) faster than a .30/06 Springfield.The 3.6-inch long .30-378 Weatherby Magnum cartridge ...

Other .30-caliber cartridges will give slight advantages with maybe a smaller overall length or the ability to shoot longer bullets, but the 300 Win Mag is a good balance of everything. From our ...

Same goes for the 30-30, 308, 300 Win Mag, and 300 Blackout; they are all loaded with 0.308-caliber bullets and yet they are all described as “.30-calibers.” Go figure. And it gets worse.

Exploding with energy but perfectly still, Harold “Doc” Edgerton’s 1964 image of a .30-caliber bullet ripping through an apple showed an otherwise unseeable moment in captivating detail. The ...