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Join Date: Oct 2005
Location: In the Woods Pa
Re: weatherby vanguard
257 wea is based upon the 300 H&H case. It is similiar to the 25-06, figure about 200 fps faster with the lighter bullets (less than 100 grain). If you want to shoot the heavier bullets like the 117 or 120gr, then figure your get an extra 300 fps over the 25-06.
Most 257 wea are accurate, I reload for the Mark V a tack driver; so I can't speak for the Vanguard, except the ones I've shot in other cartridges seem to have terible triggers.