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H380 powder for 22-250 and 7mm08

 
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  #1  
Old 02-22-2005, 09:26 PM
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Location: Alberta, Canada
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H380 powder for 22-250 and 7mm08

Although I have reloaded for about 20 years now, it has always been for the same two guns, a 7mm Mag and a .270 Win so it would be fair to say that my experience is limited. I now have sold the old guns and bought new ones. The two guns in question are a 22-250 in a Savage 12FVSS - bull stainless barrel (26" long). Another is a Ruger M77 Compact in 7mm-08. I see by balistics tables that H380 appears to be a good powder for both. My question is, can that still be so if my Savage 22-250 has a 26" barrel and the 7mm-08 Compact only has a 16 1/2" barrel. Would the 7mm-08 not benefit from a faster burning powder with such a short barrel??? [img]/ubbthreads/images/graemlins/confused.gif[/img]
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Old 02-22-2005, 10:07 PM
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Re: H380 powder for 22-250 and 7mm08

Can't speak for the 22-250, but I built several short barreled 7/08 over the years. My two favorite powders were WW760 & Vit N550. Usually N550 was a touch faster in velocity. Both powders work great in short barrels.
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Old 02-22-2005, 10:13 PM
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Re: H380 powder for 22-250 and 7mm08

I can tell you what worked for me in the 22/250, 36gr.H380
with a 55gr nosler not screaming but very accurate.H380 should work in the 7/08 or Varget or Benchmark.
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Old 02-23-2005, 09:45 AM
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Re: H380 powder for 22-250 and 7mm08

elkfirst,

I have a short barrel .308. I found weight of the bullet used was the deciding factor in the powder. Try some H380 with your bullet of choice. If you get a large muzzle flash, you should go to a faster powder.

As far as your 22-250 is concerned, if you can't find a good load using H380, get rid of it. H380 is as good or better than any other powder for the 22-250.

Jim
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Old 02-23-2005, 10:46 PM
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Re: H380 powder for 22-250 and 7mm08

I mostly have to agree with Jim. Mostly, because I love H380 in my .22-250 and .308 - but only when in cool weather. I live in AZ. The summers here can be a "bit warm". I will shoot H380 in the winter months, but this powder gets VERY hot when the weather warms up. Maybe not a problem where you are, but worth mentioning.
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Old 02-23-2005, 11:20 PM
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Re: H380 powder for 22-250 and 7mm08

Good input, greatly appreciated from all you guys. Chessman, what do you actually mean by "the powder gets very hot". At the risk of sounding stupid, do you actually mean that it gets risky to pack your shells in your pocket??? [img]/ubbthreads/images/graemlins/confused.gif[/img] or does the powder develop higher velocity or CUP??? Here in Alberta, it never gets as hot as Arizona, at least I dont't think [img]/ubbthreads/images/graemlins/cool.gif[/img]. H380 sure sounds like a favourite though.
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Old 02-23-2005, 11:24 PM
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Re: H380 powder for 22-250 and 7mm08

Jim, it'll break my heart t get rid of this gun. I just got it last week. Put a box of the cheapest stuff out there, Winchester Super X 55 gr. - At 50 yards, I actually hit the exact center of the crosshairs on paper - TWICE, third shot was 3/8" off, got a little exited I guess.
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