Bob Nelson 35Whelen
AH ambassador
- Joined
- Oct 28, 2018
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- Wyong new south Wales Australia
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- Australia
@RimshotWhoa Bob!
I think you're being a bit unfair to the unfortunately named 338. It is a "magnum" in name only, with case capacity more or less the same as my beloved queen 9.3x74R - with a bit more pressure, and a 33 instead of 36 caliber bullet. The ratio of powder to bore diameter doesn't put it in the "overbore" category of other magnums crammed full of Ramshot Magnum or Retumbo that torch barrel throats in a few hundred shots. The 338 does it's best work with medium-slow H4350 family, or RL 16-17-19 series. My favorite powder in the 6.5 Swede (H1000) is even too slow for the 338 "magnum"! Perhaps it should be renamed the "8.5 Creedmoor".
The 338 is an efficient, versatile cartridge. Even today it fills a wide gap between the 30s and 37s. There is a much broader selection of bullets available for the 33, including highly aerodynamic hunting bullets that don't exist in the 35 or 37. Maybe you're on a trip to the western US for pronghorn or mule deer (the need for a 400+ yard shot not uncommon), then hunting Elk in a grizzly bear area - the 338 has you covered for all! Of course a 30 would work, but the 33 is a step up in "thump", similar to a 30 compared to 270. A 37 has even more thump, but suffers from comparitively blunt bullets that come with more wind deflection. No fault of the other cartidges, it just seems bullet makers are not interested or seeing demand for more advanced 35, 36 or 37 caliber hunting bullets.
So far you haven't told me the use of the 338.
With a nice 225gn accubond @2,900fps the Whelen will happily reach out past 400yds
Your 9.3x74 is a grand old cartridge
You can call the 338 the 8.3 creedmore but that doesn't make it any better
Bob