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Best powder for 7mm SAUM and Berger 168's?

 
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  #1  
Old 09-09-2009, 06:35 PM
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Best powder for 7mm SAUM and Berger 168's?

I just talked to Jim See at Center Shot Rifles and my custom Surgeon/Brux rifle in 7mm SAUM is being shipped tomorrow! I already have a pound of RL-17 to try, but I've heard that it is fairly temp sensitive. What is the best powder you have found for the 7mm SAUM? I'll be shooting 168 gr Bergers through a 28" barrel. I'm looking for a temp sensitive and accurate powder, velosity is secondary. I was thinking H1000, H4831(sc), Hybrid 100v, RL22, RL25, or Supreme 780. Any ideas?
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Custom built 7mm SAUM

Last edited by JARHEAD1371; 09-09-2009 at 07:29 PM.
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Old 09-09-2009, 07:46 PM
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Re: Best powder for 7mm SAUM and Berger 168's?

Ryan, the Rel 19-22-25 will be temp sensitve, over time most guys have seen the issues with that. I will admit I still burn rel 19 in a couple rifles because they just love that powder accuracy wise.

I have no real experience with the 7rsaum but with other cartriges with-in that powder to bore ratio, I see your best bet as H4831sc and H1000, if your looking for temp. insensitive powder.
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Old 09-10-2009, 03:30 PM
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Re: Best powder for 7mm SAUM and Berger 168's?

I shoot Re 22 in my 7 saum, temp sensitivity isn't a problem until the temperature climbs above 70 degreees. I developed a max load in 30 degree temps and have had no troubles from zero to 70, gets above that and things get toasty.

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Old 11-01-2011, 07:34 PM
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Re: Best powder for 7mm SAUM and Berger 168's?

What's ur max load mine is 59.3 rl 22 shoots good but I'm only getting 2817 fps
With. 24 inch
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Old 11-01-2011, 09:06 PM
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Re: Best powder for 7mm SAUM and Berger 168's?

Gonna watch this thread for awhile myself cuz I gotta a Rem. 7 Saum I will need to feed soon. Berger 168's is what I got in mind also.

Hey Jarhead if you can and don't mind post what you find that works for you. What is the twist on your barrel by the way ?
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Old 11-01-2011, 09:15 PM
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Re: Best powder for 7mm SAUM and Berger 168's?

7828 ssc, getting 2998 with a 160 accubond and a 25in barrel
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Old 11-01-2011, 09:45 PM
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Re: Best powder for 7mm SAUM and Berger 168's?

I agree with 300stw. I have found that IMR-7828 has worked well in my 7mm SAUM. I have gotten some very good groups with 168 Berger's using IMR-7828.
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