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257 Weatherby #6816428 07/08/17 07:54 PM
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So I am going to do some loading for a brand new Weatherby S2 in 257 Weatherby Mag. I'm planning on using RL25, 115grn Nosler Ballistic Tips and Winchester large rifle primers. According to my Nosler manual around 70 grains of powder is their supposed most accurate load. Anyone have any pointers or suggestions for me??

Re: 257 Weatherby [Re: seacam] #6816580 07/08/17 10:53 PM
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If you're burning that much powder (70gr), I'd suggest a Magnum primer. The Nosler data is with a Federal 215 which is a large rifle magnum primer.

Re: 257 Weatherby [Re: seacam] #6816661 07/09/17 12:21 AM
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You are correct. I went back to my manual and checked. I would have caught it when I actually got to that point but good catch.

Re: 257 Weatherby [Re: seacam] #6816752 07/09/17 02:06 AM
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I have only used H1000 in the 257bee but your powder should work well As to the Magnum powder IIRC the ES and SD were much better with the Federal 215 primers which are a hotter primer than the Winchester or CCI large rifle magnum primer


lf the saying "Liar, Liar your pants on fire" were true
Mainstream news might be fun to watch
Re: 257 Weatherby [Re: seacam] #6816897 07/09/17 04:36 AM
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I am under the impression that the Federal 215 is still in very short supply. If that is true, Why??
back


The Greatest Enemy of knowledge is not ignorance,
it is the illusion of knowledge.--Stephen Hawking
Re: 257 Weatherby [Re: seacam] #6818562 07/10/17 09:05 PM
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Thanks for the replies. I will try the Federal 215s if I can find some.

Re: 257 Weatherby [Re: seacam] #6818566 07/10/17 09:09 PM
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Mag primers from CCI or Winchester should work fine, too.

Re: 257 Weatherby [Re: seacam] #6819116 07/11/17 12:48 PM
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I have always used Remington 9-1/2M magnum primers in my 300 wby with no issues.


It's hell eatin em live
Re: 257 Weatherby [Re: seacam] #6819188 07/11/17 02:06 PM
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Yeah this is a lesson I learned the hard way.... ALLWAYS use Magnum primers for .257wby, and personally I use Winchester or CCI for all my rifles.

I had the best results with RE22 powder, 100gr TSX and Winchester Magnum primers. I cant remember the OAL off the top of my head but the charge was .5gr under max.

Re: 257 Weatherby [Re: seacam] #6819975 07/12/17 12:59 AM
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If that doesn't work try the 7828ssc and 100 grain ttsx.Very impressive groups and so far very effective on deer to 650 yards.

Re: 257 Weatherby [Re: seacam] #6821151 07/13/17 03:08 AM
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My gun really likes to be pushed hard. The groups with 117 gr SST's did not tighten up until .6-.5 gr under max. Now they are way better than any factory loads I tried.

Point of the shoulder shot with a 257 makes the belly hair shine right where you squeezed on them.

You need to hit bone with a bullet moving over 3100 in my opinion and experience.

Re: 257 Weatherby [Re: seacam] #6822443 07/14/17 02:32 PM
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Agree 100% with BooneDog...... "You need to hit bone with a bullet moving over 3100 in my opinion and experience."

We chronographed my 100gr TSX load & Weatherby's factory 100gr TSX load before and after sending my rifle off to have the barrel cut from 26" down to 24" and with a 24" barrel(Hart 1-10" twist) the muzzle velocity was 3,500fps!

If you put the bullet right in the middle of the front shoulder, deer would drop like being struck with Thor's Hammer.

Re: 257 Weatherby [Re: deewayne2003] #6822539 07/14/17 04:24 PM
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Originally Posted By: deewayne2003


the muzzle velocity was 3,500fps!

If you put the bullet right in the middle of the front shoulder, deer would drop like being struck with Thor's Hammer.




Maybe half a deer left to process. peep I would do it behind the shoulder with a bullet going that fast. Saves meat. cheers

Re: 257 Weatherby [Re: TackDriver] #6822688 07/14/17 06:42 PM
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Originally Posted By: TackDriver
Originally Posted By: deewayne2003


the muzzle velocity was 3,500fps!

If you put the bullet right in the middle of the front shoulder, deer would drop like being struck with Thor's Hammer.




Maybe half a deer left to process. peep I would do it behind the shoulder with a bullet going that fast. Saves meat. cheers


Na, its a barnes anything short of 3000 feet a second is pin hole in and out.


It's hell eatin em live
Re: 257 Weatherby [Re: TackDriver] #6822757 07/14/17 07:46 PM
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Originally Posted By: TackDriver
Originally Posted By: deewayne2003


the muzzle velocity was 3,500fps!

If you put the bullet right in the middle of the front shoulder, deer would drop like being struck with Thor's Hammer.




Maybe half a deer left to process. peep I would do it behind the shoulder with a bullet going that fast. Saves meat. cheers


The neck has more meat than both shoulders.

Re: 257 Weatherby [Re: redchevy] #6823030 07/15/17 12:57 AM
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Originally Posted By: redchevy
Originally Posted By: TackDriver
Originally Posted By: deewayne2003


the muzzle velocity was 3,500fps!

If you put the bullet right in the middle of the front shoulder, deer would drop like being struck with Thor's Hammer.





True on the Barnes, but I never liked bloodied and bruised shoulders, just less work and less mess.
Maybe half a deer left to process. peep I would do it behind the shoulder with a bullet going that fast. Saves meat. cheers


Na, its a barnes anything short of 3000 feet a second is pin hole in and out.


True on the Barnes, just less work and less mess. It's just the way I like em'.

Last edited by TackDriver; 07/15/17 12:58 AM.
Re: 257 Weatherby [Re: seacam] #6823532 07/15/17 08:33 PM
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According to my manual 3190 fps is where it would be put of a 26" barrel. So real world 3000 fps and. Slow would be what I'm expecting.

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