.300 Weatherby Magnum
The .300 Magnum was not the first cartridge
developed by Roy Weatherby but it has been with us since 1944 and it is the
most popular cartridge in the Weatherby line. In the beginning, all Weatherby
cartridges were strictly for handloaders since no factory ammunition was
available. During the late 1940's Weatherby started loading ammunition at
his California facility, and in 1958 Norma began to load all Weatherby
ammunition. In addition to the Weatherby rifles, the Remington Model 700,
Winchester Model 70, Ruger No. 1 and various rifles of foreign origin are
available in .300 Weatherby Magnum.
The .300 Weatherby Magnum is an excellent cartridge and considered by many
experienced hunters to be ideal for shooting elk moose and lager African
antelope at long range. For plains and mountain hunting of deer size game,
few cartridges shoot flatter than this .300 Magnum.
The .300 Weatherby Magnum is also a favorite of members of the Pennsylvania
1000 yard Benchrest Club. This says a lot about the inherent accuracy of
this cartridge since those fellows manage to consistently shoot ten bullets
into well under minute of angle at a distance equal to ten football fields
laid out end to end.
Handloaders should be aware that much of the .300 Weatherby Magnum load data
published over the years was developed in Weatherby Mark V rifles with freebored
chambers. Some of those loads can generate excessive chamber pressure if
used in other rifles with shorter chamber throats.
Due to its extremely high velocity, one only has to shoot a few deer and
pronghorn with the .300 Weatherby to see that a 180 grain bullet shoots about
as flat and destroys less meat than the 150 grain bullet. It is difficult
to imagine better elk and moose medicine than the .300 Weatherby Magnum loaded
with a Nosler or Speer 200 grain bullets
at 3000 fps.
Source: Hodgdon Data Manual, 26th Edition
| 300 Weatherby Magnum Reloading Components & Accessories | |
Hornady Shell Holder #5
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RCBS
Trim Pro 3-Way Cutter .30 Caliber
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| 30 Caliber (.308) Bullets |
RCBS Ammo Box (#86903) |
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