There is no "one" better anything- including rifle calibers. The .300 Win Mag can fire a heavier bullet a longer distance, but is generally a heavier rifle, has more recoil, and you can carry less ammunition.
It is a more powerful cartridge. The .300 Win Mag tops out at about 4000 ft lbs of energy, vs the .308 at 2800 ft lbs
The cartridge in question is the .300 Winchester Magnum, and not the .308 WinMag. The .308 cartridge is about 16mm shorter than the .300 Winchester Magnum casing. The two are NOTinterchangeable.
The . 300 Winchester Magnum is a larger cartridge. They both use the same diameter bullet.
Both are .30 caliber.
The accepted dimensions of the entire cartridge for each are as follows:308 - 7.62x51mm (do note that, although dimensionally similar, 7.62 NATO and .308 Winchester ARE NOT the same round).300 WinMag - 7.62x67mm.338 Lapua - 8.58x70mmThe bullet diameters of each are as follows:308 - 7.8mm/.308 inches7.62 NATO - 7.8mm/.307 inches.300 WM - 7.8mm/.308 inches.338 LM - 8.58mm/.338 inches
Neither. Each performs as it should within its limitations.
30 caliber bore brush.
The .300 Win Mag typically shoots farther than the .308 Winchester due to its higher velocity and energy, allowing it to maintain a flatter trajectory over longer distances. The .300 Win Mag is designed for long-range shooting and is often preferred for big game hunting at extended ranges. However, the effective shooting distance also depends on specific loads and individual shooting capabilities. Overall, for long-range performance, the .300 Win Mag is the superior choice.
If you are asking about the the cartridge length,then the 300 win mag.is longer than the .308win.caliber.If you are asking about bullet diameter then both cartridges are the same .308 bullet diameter.If you are asking about muzzle energy(hence power) then the 300 win mag.is considerably more powerful than the .308 winchester cartridge.
what goes father a 300 short mag or a 300 mag
No, they do not have interchangeable barrels to change caliber
You will have to state your intended use.