Damn you .270 Winchester!

Who was the wise guy at Winchester back in the day when they invented .270 Win? What could have possibly gone through their mind?
“Let’s make a new cartridge! Since everyone loves the .30-06 and it’s got a goodly amount of case capacity, let’s essentially neck it down from .30 caliber to .27 caliber and put a new bullet in it! Nobody would ever confuse the two. Ever. Nope. Never.”
Bastards, the lot of them.
I tumble brass based on caliber (e.g. all .30-06, all .308, all .223, etc.) or, if I lack enough of a particular cartridge to make a full tumbler load, neck size (all .30 caliber necks, all .22 caliber necks, etc.) — it keeps the cases from getting stuck together. Since tumbling is hardly a critical stage in the reloading process, I go fairly quickly when I remove brass from my “spent brass from the range” bucket and toss it into the tumbler.
Since I mainly shoot .30-06 and .223, it’s easy to tell them apart. Unfortunately, I’ll occasionally pick up a piece of .270 at the range, as it just happens to be in my .30-06 brass field. As I don’t expect them (( No one expects the Spanish Inquisition! )), I don’t usually keep an eye out for them. It seems that at least one or two always get into each tumbler load of .30-06 brass, and from there into my caliber-specific “clean brass” bins in the closet.
As it turns out, a .30-06 resizing die’s expander pin can blow out .270 to .30 caliber without too much effort. I’ve created not a small number of these “.30-.270s” over the years, but always catch them when it comes to priming them, as I look at the base in detail and read the headstamp. So far, none have made it through the whole process.
Even so, the similarities between the two rounds annoy me to no end. I’m sure it’s a fine round, but it still is far too similar to .30-06 for my taste.

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