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257 WM info please

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Unread 09-06-2006, 10:26 PM
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257 WM info please

A friend of mine just got a Weatherby Vangaurd in .257 WM. It only has a 24" tube, I tried talking him into a 25-06, or getting a real weatherby w/ a 26". Anyways, I will be loading for the rifle. This will be my first Weatherby to work with. He wants to shoot 115g ctbtips. What are some powders some of you use in your rifles giving accuracy and velocity. The books dont seem to use slower burning powders, and they seem to be very conservative with there velocitys.
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Unread 09-06-2006, 11:13 PM
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Join Date: Sep 2005
Location: South Central Missouri
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Re: 257 WM info please

When I had my mark V I used imr 4350. I shot a hot load if you went with the reloading books, I used the 100 nosler bt I can not remember velocities with the load got .5 in groups or better at 100 yards. A friend of mine has a vanguard in 257 and it did not like the 4350 his liked aa3100. used win LRM primers I will see if I have any data around.
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Unread 09-07-2006, 02:33 PM
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Join Date: May 2005
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Re: 257 WM info please

Here is some of my info:


By the way, I used to shoot the 115 grain CTBST myself with IMR 7828, but have since shyed away from it. I think a more controlled expansion bullet is in your best interest with a cartridge that spits them out that fast. I was pushing them right at factory velocity, 3,400 fps.
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Unread 09-08-2006, 10:20 AM
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Re: 257 WM info please

110 accubond 68 gr of RL22 3450 from a 24" Vanguard and 1/2" at 100 yds.
"Weatherby was too long so I nicknamed it "Bee""
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Unread 09-08-2006, 12:20 PM
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Join Date: Jul 2002
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Re: 257 WM info please

The 257 is a pretty good round and is foten looked down upon because of the free bore issue but they can be loaded to shoot realy well.
I have a friend that shoots a 25-300 Win mag and he found
R-22 to be a realy good powder for speed and accuracy , but he did say that he liked the idea of the new 7828 ssc powder .

I would opt to shoot the 110 Accu-Bond bullet over the 115 CT.

At least he'll have a good action to build on later if he wants to rechamber , the Howa's and Vanguards are realy under rated , their realy strong and can be made to shoot with any other factory action if worked right.
Si Vis Pacem Parabellum
Molon Labe
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Unread 09-11-2006, 08:13 PM
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Join Date: Jan 2005
Posts: 187
Re: 257 WM info please

I have had two 257's, a friend has two, another friend and his brother has one each. All rifles have almost the same accuracy load: 72-73.5g of R#22, 215 primer, 100g Ballistic tip. Don't worry, the deer will not run a step when shot! If you want to try R#22 with the 115g Ballistic tip, 69g was the load in several of these rifles.

Good luck!
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