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.257 Weatherby Magnum - Bullet selection

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Unread 01-10-2006, 01:22 PM
Silver Member
Join Date: May 2005
Posts: 133
.257 Weatherby Magnum - Bullet selection

I have a question concerning bullet selection in the .257 Weatherby Magnum.

Here are the facts: I have a load worked up using the 115 grain Ballistic Silvertip with a muzzle velocity of 3400 fps (chronographed). It shoots sub-m.o.a. all day long if I am on my game.

Here are the assumptions: I will likely hunt antelope and mule deer with my .257 WM. Don't believe in using it for elk as I think it to be too small and I already shoot a .300 Win Mag at them.

I have been juggling a lot of different bullets through my head that "would do the job better", but I have to answer the latest nagging question. That question is, for the game listed do I even need to worry about changing bullets. Is the bullet I am shooting constructed well enough that my thoughts on changing are a complete waste of time?

What have been your experiences with the 115 grain Ballistic Silvertip out of the .25 caliber rifles...especially high end velocity?
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Unread 01-10-2006, 02:51 PM
Bronze Member
Join Date: Nov 2005
Posts: 56
Re: .257 Weatherby Magnum - Bullet selection

I shoot a .270 win and .270 weatherby. I really had bad luck this year using ct balistic tips in my .270 win. Took a doe at 80 yards and the bullet broke into three pieces (it hit a rib on the way in). The doe ran 40 yards and was down. I switched to my weatherby and dropped a buck at 100 yards using swift Aframes. I switched to Sciroccos 130 grains for my .270 and also interbonds both bullets with 54 grains of IMR4350 driving it is dead on. Swift is supposed to come out with sciroccos for the .257 or I would try using interbonds.

Take care Aaron
Always smile when your shooting its a privilege!
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Unread 01-10-2006, 04:01 PM
Gold Member
Join Date: Feb 2005
Posts: 628
Re: .257 Weatherby Magnum - Bullet selection

the 115 bt acts like a varmint bullet at close range. I would use th110 accubond
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Unread 01-10-2006, 04:11 PM
Platinum Member
Join Date: Dec 2001
Location: Long Island, New York
Posts: 2,517
Re: .257 Weatherby Magnum - Bullet selection

Ballistic Tips and high velocity impacts have resulted in unfavorable terminal performance for many shooters. I don't hold that against Nosler because the Ballistic Tips were (reportedly) designed for longer ranges where impact velocities would be lower. They also perform well in standard cartridges where impact velocities would not exceed 3,000 ft/sec.

I shot 140gr B-Tips @ 3,500ft/sec out of my 7STW, knowing full well that this was outside the apparent design parameters for this bullet, at least where target range was short. The performance on whitetails was VERY unpredictable. Some would drop like a bomb went off inside of them while others ran while displaying huge surface wounds.

I switched to the Accubonds as soon as they became available and couldn't be happier with the results. The 140gr & 160gr both shoot accurately from my 7STW and 7mm-08. Terminal performance is reliable and predictable.

If I were you I'd shoot the Accubond or a similar premium bullet out of that speedster. I've also had good results with the (pricey) Barnes TSX for whatever that's worth.

Just my 2 cents.
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Unread 01-10-2006, 04:20 PM
Join Date: Nov 2004
Location: El Reno, OK
Posts: 1,497
Re: .257 Weatherby Magnum - Bullet selection

I have heard some people having problems with the 110 accubond not shooting good for them, havent tried them myself. I am currently shooting the 125gr WildCat ULD RBBT in my 25-06 and I will tell you this little sucker hits HARD at 500yds. Serious smack on a rock face at 515yd.

Richard GRaves told me this bullet expand fairly rapidly if solid bone was struck. Shoot him a email and see if he thinks it would work for you.

good luck
Steve Elmenhorst
Third Generation Shooting Supply
"Products for shooters, by shooters"
monday-friday 8:30-5:30 CST
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Unread 01-11-2006, 06:51 AM
Gold Member
Join Date: Feb 2005
Posts: 628
Re: .257 Weatherby Magnum - Bullet selection

The accubond has a harder alloy like a barnes x bullet, some rifles like them some dont. I would try them in any gun capable of pushing them 3300 plus they seem to work better over that speed for me.
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Unread 01-11-2006, 11:14 AM
Gold Member
Join Date: Oct 2005
Location: Great Falls, MT
Posts: 712
Re: .257 Weatherby Magnum - Bullet selection

"winnie", I shoot the 110 Accubond in my 257Wby and I couldn't be happier. It groups well and the terminal performance is outstanding!!! d-a is correct too, it needs to be shot in excess of 3300 to stabilize well. Try substituting the 110 Accb for your 115 Ballistic Silvertip. You could probably add about 1 or 2 more grains of powder if needed but do it carefully. I think you will find the Accubond to do what you need it to do very well.
Good shooting,

Raptor Stalker by
Kirby Allen APS
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