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So, while I must reckon that the .264, the 6,5x68 and the like are really excellent calibres, they do not me dreaming anymore due to the fact that alternatives offering similar ballistics at more palatable cost and rifles’ lower weight with less recoil are now available on the market.

Louis

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What are the barrel lengths in your charts?

One can always take a magnum calibre of a smaller size and compare it to a larger calibre. less bore friction, similar weight bullet, similar velocity, slightly worse trajectory.

.284 less .264 = .02 difference.

One could probably show a similar result say for a hot .358 compared to say a slower .375 as well.

But your illustration does show how older classic cartridges still perform well and can kill just as well as more modern flat hotter shooters.

The 6.5x55 is a classic example, invented before 1900.

It would be interesting to compare say 140 gr projectiles.

And I wouldn't use a 123 gr in a 7 mm I would choose a 150 or 160 gr projectile. 125 gr to 140 grs is about right in a 6.5 while 140 to 160 grs is right in 7 mm. IMO from my armchair.

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John aka NitroX

...
Govt get out of our lives NOW!
"I love the smell of cordite in the morning."
"A Sharp spear needs no polish"

Edited by NitroX (21/06/21 05:24 PM)

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