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Old June 22, 2010, 02:26 AM   #1
butta9999
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Wad for a .308

G day, im developing subsonic loads for a .308win using cast bullets. I was wondering what was the best wadding to use in keeping the powder against the primer.

Thanks....

P.S i know its been a while. Busy, busy, busy
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Old June 22, 2010, 02:37 AM   #2
Sport45
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If it's available there, try using a small (3.5-5gr) charge of Titegroup with no filler. I have found it to work well in 7.7x58 for gallery loads. Trail Boss would probably work well too. I don't like to use fillers in bottleneck cartridges.
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Old June 22, 2010, 02:50 AM   #3
zippy13
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I've been using Dacron quilt batting to fill-up lightly loaded large volume pistol cases for years.
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Old June 27, 2010, 03:31 AM   #4
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cheers. Trailboss is what i am working with now. Im down to 9.5 gr with a 173gr cast bullet but its still too fast.
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Old June 27, 2010, 05:58 AM   #5
1911rocks
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Case fill

Some use Dacron, I still use Kapok. It leaves no residue and contributes nothing to the combustion process.
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Old June 27, 2010, 10:56 PM   #6
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I'd love to see how this plays out. I'm just curious if you'll come up with any accuracy.

Since your goal is to limit your speed to 1k or below, are you using heavy bullets to take advantage of a higher BC and better trajectory? Using a 220 grain match bullet will also force your powder charge into a higher range than a 150 grain would, and a larger charge would be easier to work with, I think...
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Old June 28, 2010, 03:27 AM   #7
butta9999
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The 173gr cast bullet is part of the receipe i have. I was given a starting load to work with and im working down from there. Its a friends rifle and his tool thing on the end.

Havnt worked on accuracy yet waiting to hit the right verlocities first
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Old June 28, 2010, 05:58 AM   #8
Sport45
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Quote:
Trailboss is what i am working with now. Im down to 9.5 gr with a 173gr cast bullet but its still too fast.
Trail Boss is a fast powder and easy to light. If you want to be sure of ignition, just use a mag primer to fill the case with flame. You can probably get Trail Boss down to 4.0gr or less without worry of sticking a cast bullet. I don't think you need any filler at all and don't recommend them. I'm a little leery of putting anything in a bottleneck case that has to be scrunched down and wadded up to get out.
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Old June 28, 2010, 06:16 AM   #9
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G'day.
Don't forget to Chrony them so you know what is going on.
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Old June 29, 2010, 05:28 AM   #10
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Great info thanks, Sport45.

Skulls once we get the noise right then we begin to chrony them
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