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6.5x45 lapua testing 4007ssc,4064 and 8208xbr

 
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  #1  
Old 08-07-2014, 07:39 PM
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6.5x45 lapua testing 4007ssc,4064 and 8208xbr

I recently received a 6.5x47 lapua in a trade and have been working on some loads. Powders I am trying are IMR 4007ssc, IMR 4064 and IMR 8208xbr. there is very little data for this cartridge and even less for these powders but I like to try things that are different from the majority of others.
I done a ladder test with each of the powders. I am no expert but I think I done them the right way if I didn't I am open to suggestions and advice.
I used 123gr Nosler custom competition bullets with the 4007ssc and the 4064 powders and I used 120gr Sierra matchkings with the 8208xbr powder. If I am thinking correctly (which is a rare occurrence,just ask my wife) I should use the 37.9gr of 8202xbr charge due to it being on the same vertical plane as the shots before and after it.
I am considering redoing the 4007ssc and the 4064 and use the sierra bullets.
I am including the pix of the targets for each powder please feel free to give me any suggestions.
6.5x45 lapua testing 4007ssc,4064 and 8208xbr-20140807_162444.jpg

6.5x45 lapua testing 4007ssc,4064 and 8208xbr-20140807_162525.jpg

6.5x45 lapua testing 4007ssc,4064 and 8208xbr-20140807_163008.jpg
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Old 08-08-2014, 08:48 PM
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Re: 6.5x45 lapua testing 4007ssc,4064 and 8208xbr

does anyone have any insight or constructive criticism on how I should proceed with these three powders
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Old 08-08-2014, 09:13 PM
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Re: 6.5x45 lapua testing 4007ssc,4064 and 8208xbr

I would definitely use 37.9 grains of 8208xbr. I dont see anything worth perusing with the other powders with that bullet.
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Old 08-10-2014, 12:34 AM
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Re: 6.5x45 lapua testing 4007ssc,4064 and 8208xbr

I probably wouldn't do anymore load development with 4007sc unless you have a good supply lined up as it has been discontinued.
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Old 08-10-2014, 08:13 AM
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Re: 6.5x45 lapua testing 4007ssc,4064 and 8208xbr

That's not ladder testing..

Why are you adjusting your point of aim shot to shot?
What distance?
What is your seated distance to lands(DTL), and how did you arrive there?
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Old 08-10-2014, 08:36 AM
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Re: 6.5x45 lapua testing 4007ssc,4064 and 8208xbr

I was shooting 100 yards and I wasn't adjusting the scope if that is what you mean, I was putting one shot into each target and that is how the bullets impacted, I was looking for a load that puts them on the same vertical plane per what I saw on 6mmbr forums and they was calling the way they was doing it a ladder test and I just replicated what they done.
if this isn't the proper way to do a ladder test please explain the correct way to do one.

and thanx for the heads-up on the 4007ssc I wont be using it if they discontinued it
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  #7  
Old 08-10-2014, 09:07 AM
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Re: 6.5x45 lapua testing 4007ssc,4064 and 8208xbr

Paste,

Here ya go. Ladder testing at 1k- Detailed article and video

I've tested both IMR 4007 ssc and IMR 8208 extensively in the 6.5x47. One will never get the faster velocity with 8208 that you can get with 4007 ssc. You can get excellent accuracy with both. I hunted Utah elk, unsuccessfully, last year with a 140 VLD/4007 ssc load. It's burn rate is right between Varget and H4350, both well used and well known powders in the 6.5x47.

Alan
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