Question: What is 30-338 Win Mag? I thought that was that was 308 Normag Mag?
- Thread starter Pblatzz
- Start date
Have I claimed otherwise anywhere here??
BTW, In case anyone wants to try your recipe I will mention that you are more than 300 fps faster than what Speer lists for that bullet out of a 22" barrel. That is probably because you are also 5 grains over their maximum load of RL 15 as well.
The 30-06 uses 46 grains of IMR 4064 to launch a 200 grain bullet at just under 2500 fps.
The 338-06 will push a 200 grain bullet to ~2750 fps using 54 grains of IMR 4064
The 35 Whelen uses a 58 grains of the same powder to get ~ 2700 fps with a 200 grain bullet.
The 375 Whelen uses the same 58 grains of IMR 4064 under a 200 grain bullet and falls short of 2500 fps.
4 cases with the same volume, same powder, and same bullet weight.
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Either your charge weight, or powder, or both is a misprint here. I don't think I'd use that much 4064 with a 125-grain Ballistic tip, much less a 200 grain bullet. The load you describe is well past the redline, into skull-and-crossbones territory.
The 30-06 uses 46 grains of IMR 4064 to launch a 200 grain bullet at just under 2500 fps. 57K psi
The 338-06 will push a 200 grain bullet to ~2750 fps using 54grains of IMR 4064 62K psi
The 35 Whelen uses a 58 grains of the same powder to get ~ 2700 fps with a 200 grain bullet. 50K CUP (there's no solid conversion to psi)
The 375 Whelen uses the same 58 grains of IMR 4064 under a 200 grain bullet and falls short of 2500 fps. Hodgdon doesn't say, but it will likely be about 50K psi
There's no point in digging in your heels here. The Laws of Physics must be respected.
The 338-06 will push a 200 grain bullet to ~2750 fps using 54grains of IMR 4064 62K psi
The 35 Whelen uses a 58 grains of the same powder to get ~ 2700 fps with a 200 grain bullet. 50K CUP (there's no solid conversion to psi)
The 375 Whelen uses the same 58 grains of IMR 4064 under a 200 grain bullet and falls short of 2500 fps. Hodgdon doesn't say, but it will likely be about 50K psi
There's no point in digging in your heels here. The Laws of Physics must be respected.
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Yes a typo on my part. One more reason to never use data from an internet forum unless cross-referenced.
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Correct. I am .5grain less than what Alliant shows in their load data though, never had any pressure signs that are visible to me, and am on the 6th loading of the original brass. So for me it works well, hot for sure, but nary a problem, and whizcutter accurate
. Mileage may vary for others.P.S. If it would have come in 338-06, I wouldn't have a Whelen right now.
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Correct. I am .5grain less than what Alliant shows in their load data though, never had any pressure signs that are visible to me, and am on the 6th loading of the original brass. So for me it works well, hot for sure, but nary a problem, and whizcutter accurate
P.S. If it would have come in 338-06, I wouldn't have a Whelen right now.
Yes, up until recently, Alliant listed 59.5 gr of RL15 as been maximum with the 250 gr Speer bullet. Now they list 54 gr of RL15 as been maximum for the same bullet. Go figure.
I used to use 59-59.5 grains in my Whelen but found brass life to be too short for my liking. I now use 57 gr of RL15 and still am able to attain 2600-2625 fps out of a 23" barrel.
Here's a link to a discussion on another forum about the Whelen/Rl15 combo. Some may find it interesting.
http://www.24hourcampfire.com/ubbth...&Words=whelen&topic=0&Search=true#Post2529283
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Nit-picking again, lads. Truth is: book data is simply the result of very well tested and measured-for pressure guidelines. Where you start depends on the rifle in question, if it's a Jap WW1 issue, an M96, a 1979 M70, a new W'by Mark V......you get the point. Max loads as you should well know are peculiar to individual guns, some tolerating well over book max with ease with some powder/bullet combos but not with others, some unable to take book max specs. Difference between a 200 gr bullet at identical velocities from different calibers will always favor the larger bore because of higher frontal area, downside being it's probably less efficient aerodynamically therefore will have a more pronounced downward trajectory. Bearing in mind that the writers of reload manuals consider absolute extreme spread pressure differences within certain loads as detrimental to their definition of maximum loads defines the very solid advantage handloaders CAN have when working out specific loads for their guns. This of course demands that the handloader knows WTH he's doing. Given that human nature demands sheer stupidity and proves it in the "doing" of virtually anything simple explains the reluctance of load testers to push the envelope, unlike the writers of 20 or 30 years ago. All things considered, and I mean all I can think of, still point me to the conclusion that you either shoot a .338-06 or a .338 Win Mag and damn the rest if you want to put down the biggest on this continent, difference being a whole lot of powder and a lot less recoil in the '06 version. Nothing against any other choices e.g. the .35 Whelen, but I firmly believe that the .338-06 is a better more flexible choice. BTTJM........
For the 308 Norma, brass can be properly formed from 300 Win mag brass (size and trim) 338 mag brass is too short. 7mm Weatherby brass is good as well but not much easier to find than 308 Norma.
I like the 308 Norma. It is my favorite 30 caliber magnum. Sadly, it is now practically a wildcat. Regards, Bill.
I like the 308 Norma. It is my favorite 30 caliber magnum. Sadly, it is now practically a wildcat. Regards, Bill.
