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Max Online: 16728 @ 03/25/12 08:51 AM
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#5654476 - 03/16/15 11:46 PM Primers for 257 Weatherby?
Hunter Gatherer Offline
Woodsman

Registered: 12/30/12
Posts: 164
Question: for those who load for the 257 WM, which primers work best? I'm loading 115 grain Berger bullets with IMR 4831, and IMR 4350. Thanks!

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#5654497 - 03/17/15 12:37 AM Re: Primers for 257 Weatherby? [Re: Hunter Gatherer]
Kentucky Native Offline
Tracker

Registered: 09/19/11
Posts: 529
Loc: Benbrook, TX
I like Federal 215s & have also had great results with CCI 250s.

I also have come to like a slower powder than 4350. I'm working some loads now with some IMR 7828 that I had leftover and seeing good results.


Edited by Kentucky Native (03/17/15 12:46 AM)

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#5654511 - 03/17/15 03:06 AM Re: Primers for 257 Weatherby? [Re: Hunter Gatherer]
kmon1 Online   content
junior

Registered: 09/27/06
Posts: 21059
Loc: Texas
Federal 215 with H1000
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#5654573 - 03/17/15 06:36 AM Re: Primers for 257 Weatherby? [Re: Hunter Gatherer]
Hunter Gatherer Offline
Woodsman

Registered: 12/30/12
Posts: 164
Thanks. Do either of you have any advice for me regarding seating depth in a rifle that requires freebore when using bullets with a secant ogive? I'm just starting to load some Bergers and I know that they are more sensitive to seating depth than bullets with a tangent ogive. Thanks again.

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#5654593 - 03/17/15 06:58 AM Re: Primers for 257 Weatherby? [Re: Hunter Gatherer]
kmon1 Online   content
junior

Registered: 09/27/06
Posts: 21059
Loc: Texas
Seating depth, load them so they will fit and feed well through the mag. work with the powder charge to find a sweet spot with it. Have some good shooting loads with Bergers in other calibers that are .08 off the lands. Berger actually recommends on their website going in .04 increments ie. .04, .08 and .12 when looking for other than into or kissing the lands.
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#5654856 - 03/17/15 10:23 AM Re: Primers for 257 Weatherby? [Re: Hunter Gatherer]
mreed Offline
Tracker

Registered: 11/17/09
Posts: 611
Loc: wise county
Federal 215s with IMR 4831 or IMR 7828, I'm still working on finding my guns favorite load
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