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Load advice .308 win

 
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  #36  
Old 12-22-2011, 04:06 PM
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Join Date: Oct 2011
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Re: Load advice .308 win

Ok, that would kinda make sense. I knocked up a dummy round to get an idea of the length I had to play with and it was coming back at about 2.95 OAL to reach the lands with the 178gn A-Max.

From scouting around the net, this seems quite common in the Rem 700's. So I am unsure increasing OAL from 2.800 to 2.8200 would cause a velocity increase in this rifle.
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  #37  
Old 12-22-2011, 04:31 PM
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Location: Southwest Wyoming
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Re: Load advice .308 win

Probably not much difference that far out. I have a factory savage and COAL to get you to the lands is 2.84"
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  #38  
Old 12-22-2011, 04:35 PM
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Re: Load advice .308 win

Yea, at first measure I was thinking I had ended up with some crazy manufacturing defect, but upon further net searching it seems quite common, on the new Rems at least. Apparently they are designed to accomodate the 190gn SMK's or something?

Apparently the firing pin housing is also 'designed' to crater the primers...

The net is great for either setting your mind at ease, or making you more paranoid than ever ;)
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  #39  
Old 01-01-2012, 04:44 AM
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Re: Load advice .308 win

Well after running the 45gn of Varget behind the 178gn Amax I am getting good accuracy and velocity around 2650fps which is in line with reloading data.

I am however getting some flattening of primers (Fed 210). It is evident with primer in case and when removed. There are no other pressure signs that I can see. I am unsure whether to run with this load or back off for peace of mind. It is summer here at the moment so the temp won't be increasing a lot further.
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  #40  
Old 01-01-2012, 10:15 AM
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Re: Load advice .308 win

As for the cratering, you can probably mark that up as a sloppy remington chamber (excessive headspace causing primer flow) if I were you id load .005" short of the mag length which should be either 2.855" or 2.875" then come up a couple tenths in powder charge to maintain the same charge density. I wouldn't worry about flattening 210 primers, they have a soft anvil, if you want peace of mind with that switch to CCI BR2s and it most likely won't flatten them.
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