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I was stumbling around the interweb and came across some of the Howell cartridges. I was particularly intrigued with the .240 Howell. I dug as much as I could, but did not come up with much. From the little I found, these cases are based on an improved '06? Is there load data available? What is performance like compared to .243 Win, or a .243 AI?

Thanks for any info.

R.


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The .240 Howell is based on a custom lengthened .30-06 case with 0.375-inch neck and 25� shoulder. I don't have any load data and wouldn't publish 'em if I had 'em. QuickLOAD software is the best way to get a good preliminary idea of its performance.

The twelve cartridges in that line are designed for improved performance with heavy premium bullets at moderate pressures. The .240 Howell is a bit "hotter" than a 6mm-06. It can be formed from .30-06 cases but with a very short neck.

Head-stamped .XXX Howell cases are available for several of the line, but as far as I know, .240 Howell cases have not been made. They can be formed from the Howell Basic cases available from Huntington Die Specialties in Oroville, CA, (http://www.huntingtons.com) and American Hunting Rifles (http://hunting-rifles.com).

You can get some (visual) idea of how the .240 Howell compares with the 6mm-06 from comparison photos of other Howell cartidges at http://hunting-rifles.com/Ammo/case_compar.htm. Except for the shorter .220 Howell, all the other cases in that line are the same length.


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Thank you for the info Ken!

R.


You can run, but you'll just die tired.
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QuickLOAD estimates that with a nearly full case of Hodgdon's Retumbo, the .240 Howell would launch a 107-grain Sierra HPBT at between 3,100 and 3,200 ft/sec at the moderate pressure that I prefer.


"Good enough" isn't.

Always take your responsibilities seriously but never yourself.




















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