Originally Posted by Deerhntr71
Have been thinking about getting a 257 Weatherby. What does everyone think of this caliber? Also is the extra money worth the Mark V for the 26 inch barrel or is the Vangard 2 with the 24 inch barrel sufficient?
Had one since 2008, so 6 years now. Great caliber....But my .25-06 AI can do everything my .257 Wby can, wtih 10 grains less powder, cheaper brass, and alot less recoil, and muzzle blast.
Velocities are even the same pusing the same weight bullets. It's the damndest thing I've ever seen.
There is a theory called, The Point of Dimishing Returns. That basically states that a caliber reaches it's full potential at x-sized case with minimal negatives. But you can get more velocity using a larger case, but it's gonna have several negative effects, like worse barrel life, using significantly more powder, more muzzle blast, more recoil, etc...
So, in my opinion, based on my experiences with both calibers, I would have to theorize that the '06 sized case, is about the maximum case size (efficiency wise), for the .257 caliber bullet. I think anything more than the .25-06 AI, is where you start getting into diminishing returns, just to reach nearly the same end-result.
I still recomend a 26" barrel for either caliber you choose.
"I'm just a peckerwood who lives in the hills with too many guns..." - Bob Lee Swagger
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Originally Posted by WildRose
The 284 is to the STW what a tricycle is to a Ninja.