butchlambert
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More better bullets in 6.5 than 7mm or 25 cal. My worst preforming rifle was a 25-06. I'm blessed with brass, so that wouldn't be a problem.
A Bob Jordan AI? I remember Bob when he wrote for PS.The BJAI maybe? I had to strain my brain. Losing cells fast.
I am absolutely aghast to realize you didn't even mention the 256 Newton! (around 1914) You mention all sorts of obscure European stuff but ignore the Newton.View attachment 1383384
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And little historical information for fun:
https://revivaler.com/the-6-5x57-mauser-a-cartridge-worth-discovering/
I'm one of those who will actually fly in the face of logic and reason. Wildcats and slightly esoteric cartridges appeal to me. I've built and shot the 6.5x57 with both RWS and other fireformed cases, usually the 6mm Remington. Yes I know they aren't exactly the same... no lectures please.
I've probably built and shot most of the 6.5mm cartridges new, old and obsolete. Several are terrific while others are merely tolerable. The 6.5x57 is an intermediate cartridge so any of the XM length actions are super. Otherwise you'll need a long action. Some (Remington) felt that they could get away with shoehorning these intermediate cartridges into a short action like the 6mm Rem.
Any way you cut it, the 6.5x57 has all the capabilities of those cartridges named above and others left unnamed. Just because some of the brass is a little more expensive or harder to find doesn't make it a bad thing.
And last but not least, a timeline:
https://www.bullet-behavior.com/pos...mington-or-the-new-wunderkind-6-5mm-creedmoor
Here is a timeline of notable 6,5 mm offerings:
Europe:
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1889 - Italy: 6.5x52 Carcano: 140gr @ 2,600 ft/sec.
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1892/3 - Germany: 6,5x57 140 gr @ 2,750+ ft/sec
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1894 - Sweden: 6,5x55 140 gr @ 2,750+ ft/sec.
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1897 - Japan: 6.5x50 Arisaka: 140 gr @ 2,550 ft/sec.
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1904 - Portugal: 6,5x58 Verguiero: 155 gr @ 2,400 ft/sec.
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1908 - Austria 6,5x54 Mannlicher Schönauer. 140 gr @ 2,550 ft/sec.
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1927 - Germany: 6.5x64 Brenneke by H. Kepplinger: 140 gr @ 2,900 ft/sec.
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1939 - Germany: 6.5x68 Schuler: 140 gr @ 3,100 ft/sec.
USA:
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1959 - .264 Win Mag: 140 gr 3,000 ft/sec.
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1997 - .260 Rem: 140 gr @ 2,740 ft/sec.
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1997 - 6.5-06 A-Square: 140 gr @ 2,900 ft/sec.
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I am absolutely aghast to realize you didn't even mention the 256 Newton! (around 1914) You mention all sorts of obscure European stuff but ignore the Newton.