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257 WSM?????

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07 November 2002, 03:26
POP
257 WSM?????
A friend and I were talking last night and this cartridge came up. What do you think the ballistics of this cartridge will be? We were concerned with 100, and 117-120 gr bullets.
I am thinking 3400-3500 fps with the 100 gr and 3300 with the 120's? Am I off by far?
07 November 2002, 03:30
jeffeosso
I've got one, built it right after winnie released 300 wsm drawings.

Shoots right there with 257 weatherby.. I can share loads
jeffe
07 November 2002, 03:36
POP
I would be really interested to hear accuracy/ velocity and loads. Also what setup do you have? How long is the barrel etc?

Thanx
07 November 2002, 04:00
jeffeosso
Pop,
I'll share this with you, in email. 25" barrel, springfield action, thumbhole lam stock.
jeffe
08 November 2002, 04:31
POP
THANX

[Wink]
09 November 2002, 14:59
POP
Any other inputs?
29 December 2002, 22:18
M Watkins
I have one built on a Ruger #1 action with a 28" barrel. Mine shot 5 three shot groups that averaged .4" at 100 yards with a 115Gr. Nosler BT seated over 61 Grains of RL-25 and a Fed. 215 primer. I get right around 3300FPS over my chronograph. I like the first load so much, I haven't really messed with anything else.

[ 12-29-2002, 23:58: Message edited by: M Watkins ]
30 December 2002, 19:32
AggieDog
Of all of the short mags, this is the one I would probably be interested in.