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Joined: Jan 2013
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Campfire Tracker
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OP
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Joined: Feb 2001
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Campfire Outfitter
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Campfire Outfitter
Joined: Feb 2001
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According to Accurate a 200 grain Hornady JHP can be pushed with up to 9.7 grains of AA-5. With a lead bullet having much less resistance going down the bore you should be fine.
In their loading manual 8.4 gr./924 fps, 9.7 gr./1050 fps.
Lyman lists a 200 grain lead bullet at 8.0 gr/970
So it looks like you are well within the limits and have room to move upwards if you want to.
Nice looking bullet...
Bob
If you can not deal with reality, reality will deal with you....
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Joined: Jan 2013
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Kind of curious how they got that data. If I hadn't weighed them first I could have started over max depending on which powder I used. Maybe they had a prototype mold that dropped 180 gr. bullets?
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Joined: Aug 2003
Posts: 13,546
Campfire Outfitter
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Campfire Outfitter
Joined: Aug 2003
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Not weighing a sampling of the bullets you cast would be...not smart.
What alloy did you use? A 200-grain bullet in pure lead would be close to 180-grains when cast with #2.
Forgive me my nonsense, as I also forgive the nonsense of those that think they talk sense. Robert Frost
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Joined: Jan 2013
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Campfire Tracker
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Clip on wheel weights with maybe 1% tin added. I knew the alloy made a difference but I didn't realize it was that much. Thanks for pointing that out.
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Joined: Apr 2005
Posts: 30,907
Campfire 'Bwana
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Campfire 'Bwana
Joined: Apr 2005
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Depth of bullet in case affects pressure more than 20 grain difference.
I got banned on another web site for a debate that happened on this site. That's a first
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Joined: Aug 2003
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Campfire Outfitter
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Campfire Outfitter
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Depth of bullet in case affects pressure more than 20 grain difference.
Except all the variables can stack and then a guy might really have a problem. It's best to control the things that can be.
Forgive me my nonsense, as I also forgive the nonsense of those that think they talk sense. Robert Frost
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Joined: Aug 2003
Posts: 13,546
Campfire Outfitter
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Campfire Outfitter
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Posts: 13,546 |
I knew the alloy made a difference but I didn't realize it was that much. Thanks for pointing that out. #2 is generally the lightest alloy. 20-grains is a lot to pick up using clip-on wheel weights, but about right for pure lead. Based on density your bullets should have weighed around 192-grains, but that assumes a lot about the alloy's composition and "is more what you call guidelines, than actual rules..."
Forgive me my nonsense, as I also forgive the nonsense of those that think they talk sense. Robert Frost
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Joined: Apr 2005
Posts: 30,907
Campfire 'Bwana
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Campfire 'Bwana
Joined: Apr 2005
Posts: 30,907 |
Depth of bullet in case affects pressure more than 20 grain difference.
Except all the variables can stack and then a guy might really have a problem. It's best to control the things that can be. I have a 290 grain mold for the 44 mag that seats considerably less bullet in the case than a 240 jacketed. When seated to the canalur is too long for a SBH or S&W but works in a RH/SRH and takes more H-110/296 than a 240 grain. Intruding into the case capacity matters most.
I got banned on another web site for a debate that happened on this site. That's a first
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