December 1999

Hot Proprietary Cartridges: Are You Ready for a Big .30?

We fell in love with Dakota’s .300 Dakota. But it costs as much as your car. More affordable: Weatherby’s .300 Weatherby.

[IMGCAP(1)] When the .308 or .30-06 isn’t enough, most gunnies turn to the .300 Winchester Magnum, and that’s probably a mistake. While the .300 Winchester Mag is a step above the ballistics of the .30-06, it’s not a huge step. There’s not a lot of practical difference between the two, at least not enough to be more than a few minutes’ discussion among knowledgeable riflemen. We’re talking 200 fps difference with 180-grain bullets. This makes very little difference in trajectory, though it would make somewhat of a difference in bullet performance at long range.

Rifle power may be succinctly defined by the velocity at which a cartridge can propel a given weight of bullet, and that’s a simp...

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