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338 EDGE at 3042fps !!!!!!!

 
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  #1  
Old 12-23-2011, 07:08 PM
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Location: AB, Canada
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338 EDGE at 3042fps !!!!!!!

HI,

I need input from 338 edge users.
I used my old trusted load for my edge 93.5gr H1000 with 250CCI M Primers on rem cases behind a 300SMK bullet for long time.

Speed of the load is 2870fps for more then 2 years with 0.5MOA group.
I get the primers, powder, cases at bulk quantity to last for 2 years.

Recently I run out of H1000 old powder and I got another 16lb few week ago.
So I reload my old load (please note the load was mild, 96g of H1000 was neat hot load) so 93.5g with new powder batch #4826 supposed to be ok.
I reload 10 rounds and headed to range to verified the pressure and group
at 200yrds I got the following group

So, I aimed at 780yrds and took 2 shoots. I was hitting very high.
Did trajectory validation on Exball and from 2870fps I jump at 3042fps speed.
I could not believed. No pressure signs, no marks on head case.
With new trajectory validation and new speed on Exbal I aimed at 1200yrds and i got hit after hit on metal plate.
I'm very surprised to get 3042fps on 338edge (rock 30in barrel)

Did somebody else encounter the same problem with the new batch of H1000 powder?
I have to head back shooting next week with the same load to make sure will hold the speed and group.
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  #2  
Old 12-23-2011, 07:33 PM
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Re: 338 EDGE at 3042fps !!!!!!!

Hodgen powder issues

Check out the above post by Carlock. If it's been a couple of years since you bought powder, I'd bet this is your issue.
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  #3  
Old 12-23-2011, 07:52 PM
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Re: 338 EDGE at 3042fps !!!!!!!

I used to load 93 grains of H1000 and with the new batch I had to back down to 89 grains. More pressure and less velocity. I'm thinking about trying Retumbo.
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  #4  
Old 12-24-2011, 12:12 AM
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Re: 338 EDGE at 3042fps !!!!!!!

Thank you for replays.

I know it about high pressure on new batch of Hogdon Powder.
Nothing to complain about.
It is just unusual to get 3000+ fps on 338edge rifle with good grouping and not signs of pressure pushing 300SMK's.

My question is if will float and not being just a unfortunately event.
I was hoping somebody else got 3000 + fps on edge with sub MOA or better grouping.

Anyway I will have to get out shooting the same load to repeat the findings.
I will post in few days the new shooting results.
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My 338Edge
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  #5  
Old 12-24-2011, 02:03 AM
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Re: 338 EDGE at 3042fps !!!!!!!

I did many 338-300 RUM's from 1998-2001 and never had one get anywhere near 3000 fps safely. I think you are way over pressure but strange things can happen. I would be careful. I would never have believed some of the rifles I have right now so I know strange things can happen.
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  #6  
Old 12-24-2011, 06:07 AM
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Re: 338 EDGE at 3042fps !!!!!!!

The last couple batches of H1000 I've bought have had a velocity difference of about 100 fps (from 2750-2850) with 90gr. Unfortunately mine went down from when I first started using this load. The good thing is that accuracy doesn't vary much at all, and as long as the shot to shot velocity spread doesn't get screwy on me i'll keep loading the same. You've got me wanting to go get a new batch.
I would take 3,000+ any day, but like LTLR said- I'd be leary of pressures. That's a step up in cartridge size. Nothing is free in this world.
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Old 12-24-2011, 11:08 AM
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Re: 338 EDGE at 3042fps !!!!!!!

Quote:
Originally Posted by 300rum View Post
Thank you for replays.

I know it about high pressure on new batch of Hogdon Powder.
Nothing to complain about.
It is just unusual to get 3000+ fps on 338edge rifle with good grouping and not signs of pressure pushing 300SMK's.

My question is if will float and not being just a unfortunately event.
I was hoping somebody else got 3000 + fps on edge with sub MOA or better grouping.

Anyway I will have to get out shooting the same load to repeat the findings.
I will post in few days the new shooting results.
Sorry 300rum, I had not seen what you wrote under the target picture initially. So I probably didn't help you out at all. Jon
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In the beginning God created the heavens and the earth. Genesis 1:1

"And can the liberties of a nation be thought secure when we have removed their only firm basis, a conviction in the minds of the people that these liberties are the gift of God?" Thomas Jefferson - Notes on the State of Virginia

www.wildsidesystems.com - Shelter for Your WildSide - http://www.youtube.com/watch?v=tYwgo...&feature=g-upl
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