Interesting stats here....so the 270 can kill deer...

Quote:

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Originally Posted by Puffin

No calibre was completely effective in the hands of these hunters, far from it, and from the data of distance travelled recorded against calibre size it appears that the .257 was the most effective calibre, with performance falling off significantly for bore sizes both above and below. Why ?

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The difference might just not be statistically significant compared with standard deviation etc with those quite small sample sizes. The writers of the article didn't seem to regard it as significant anyway.