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first 7mag loads

 
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  #1  
Old 01-16-2006, 09:52 PM
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first 7mag loads

well, i got my 7mag dies today. i loaded several different bullets with several different powders! i loaded 140 SGK, 140 NAB, 139 hornady interlockts 120 TSX with R22, h4350 and h4831sc.all loads are with winchester cases, f215m primers. i will probably be testing these on saturday wish me luck!
Casey
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77" coues buck, last day 571 yards. .257 Wby. 115 VLD
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  #2  
Old 01-16-2006, 10:09 PM
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Re: first 7mag loads

Good luck. Sounds like something in there will shoot at least .75" Hopefully the SST shoots good because there fairly high BC bullet, and they are cheap to boot!!! More practice.
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  #3  
Old 01-16-2006, 10:11 PM
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Re: first 7mag loads

My bad, no SST is in the lineup. I meant the Sierra GK. Usually very accurate bullets. Have shot a couple groups under .25" with the 117g SGK with my factory winchester in 25-06. Cheap to!
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  #4  
Old 01-17-2006, 09:08 PM
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Re: first 7mag loads

RELOADER 22 IS A GOOD POWDER FOR THAT 7MM MAG
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  #5  
Old 01-17-2006, 10:54 PM
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Re: first 7mag loads

i have heard that the R22 powder is more sensative to temp. than say hodgon, is this true? where i shoot it is above 7,000 feet but where i hunt is below 4,500.
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77" coues buck, last day 571 yards. .257 Wby. 115 VLD
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  #6  
Old 01-18-2006, 09:56 AM
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Re: first 7mag loads

fcw80,
Yes, the alliant powders such as R25 & R22 are more sensitive to altitude and temp. They usually give higher velocities, but the inconsistencies that I have experienced with them have made me shy away from them and start using Hodgdon Extreme powders. I shoot the big 30s such as the .308 Warbird and 300 RUM, and with Retumbo, I'm getting consistent velocities and performance.

I'm not sure about the IMR powders, but if that is what Remington is using in their factory ammo, I will never use it. I was led to believe that Rem maybe using 7828 for the 300RUM, and I had extreme spreads of +100fps through ONE BOX of factory sciroccos.

Lastly, the most important thing to do between your load testing, is CLEAN YOUR BARREL...you maybe already aware of this, but it should be top priority when you are shooting bullets that are constructed of different metal alloys. I had a hell of a time trying to get Barnes bullets to shoot after testing ballistic tips in my Warbird. I cleaned my barrel and voila, got my first 1/2" group with that gun and barnes XLCs.

Good luck with it all, when you do find the load that works for you, you'll be on cloud nine.
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  #7  
Old 01-18-2006, 11:09 AM
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Re: first 7mag loads

I'm interested in how the 120 TSX does.
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