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Vanguard S2 in 257 Weatherby?

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Unread 03-27-2013, 11:16 AM
Platinum Member
Join Date: May 2008
Location: South of Canada and North of Wyoming
Posts: 6,068
Re: Vanguard S2 in 257 Weatherby?

The Weatherby cartridges do have freebore but the 257 case is only 2.549" long. The mag box of a Vanguard is 3.565 on the insde. That leaves 1.016" for bullet projection. If the freebore is less than .300, that should allow available bullets to be seated to the lands and still fit the mag. That said, the Weatherbys seem to shoot well with freebore and a good jump.
- Mark

You will never know how much it has cost my generation to preserve your freedom. I hope you make good use of it.
~ John Quincy Adams
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Unread 03-27-2013, 06:39 PM
Gold Member
Join Date: Feb 2012
Posts: 987
Re: Vanguard S2 in 257 Weatherby?

had a older generation stainless vangurard in 257. I sold it and bought a cdl because the weatherby would foul out so badly in just 10 shots that groups would double in size. I have absolutely no fouling problems with my cdl.
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Unread 03-27-2013, 11:49 PM
Silver Member
Join Date: Nov 2010
Location: Ashflat, AR
Posts: 397
Re: Vanguard S2 in 257 Weatherby?

I have a S2 vanguard in 257 and I love it. you wont get to the lands at all. I even lightly pushed a bullet into a once fired brass and cambered it into the barrel and it still didn't touch with only 20-30 thou of the 110gr accubond in the neck. that being said I load mine to 3.300 with the accubonds and it shoots great.
Weatherby Vanguard 7mmx300win (28 nosler reaming coming)
Weatherby Vanguard 270x300win in the works
Savage LRH 6.5x284
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