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Bullet Question

This is a discussion on Bullet Question within the Reloading forums, part of the Firearm Forum category; I have both coated and non-coated bullets with a Brinell rating of 18. The ones for 44Mag are 200gr LFP's. The 357/38's are 158gr SWC's. ...


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Old December 25th, 2019, 08:16 PM   #1
 
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Bullet Question

I have both coated and non-coated bullets with a Brinell rating of 18.
The ones for 44Mag are 200gr LFP's. The 357/38's are 158gr SWC's.
I use the information provided by MO Bullets to try and determine an optimal load that works with the Brinell rating for these bullets.
Problem is that when I go to the Hodgdon sight and access their data for the HP38 (and most other powders) I use, the pressures (max loads) are too low to allow me to reach the optimal pressure for my bullets.
I believe I should have done a little more reading and gotten the Brinell 12 rated bullets, but I thought I could achieve success by using higher pressure rounds with the 18 rated bullets.
I can't find data that will allow me to do so unless, maybe, I use the data for jacketed bullets in the same weights. I've always believed this was not a good idea.
I'm open to advice.
Thanks.




Last edited by Gambit; December 25th, 2019 at 08:21 PM.
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Old December 25th, 2019, 08:36 PM   #2
 
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I buy my bullets from Bayou bullets run by Jerry Michuliks brother. They have bullets in the same BHN range. I was told to use lead data. When I asked about max velocity he repeated and told me to use published lead bullet data.

With coated bullets I don't get any leading. The formula for ideal lead BHN doesn't mean if you deviate from it you will get leading. There are a lot of subtle factors that help determine amounts of leading. Lube type, bullet design and size, powder type, barrel condition.
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Old December 25th, 2019, 10:38 PM   #3
 
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Those harder bullets are meant to be driven at magnum velocities. Try h110, 2400, aa9, or similar magnum powders. It is my belief that fit is king. If your bullets are a snug fit in your cylinder throats, meaning you can push them through your throats with light finger pressure, you should be good at any velocity. If they will just fall through your throats, they may be too small. I cast and powdercoat all my bullets, and never make any harder than 12bhn. That said, all my bullets are optimally sized to my cylinder throats. The coating will make them a little more forgiving with respect to leading.

If all this sounds foreign to you, just load some up and try them. They may be fine. I would experiment and see what works. I wouldn’t load up a bunch until I know they will be good. For what it is worth, I find that softer bullets (12 bhn) work better on game at typical handgun velocities. Rifles require harder bullets. Worst case would be that you have to clean a little lead from your barrel. Shoot some then shine a light in your barrel, if they are leading clean your barrel and try something else.
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Old December 26th, 2019, 12:44 PM   #4
 
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Thanks guys.
Fixitagain, I am using Bayou coated for the 357's. And to both you and Wheelguns, I think I am being anal about this. Must be old age.
Rather than experiment with these bullets outside of their max loads I will invest in a powder(s) that get it done without having to overthink this.
Thanks, guys.
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Old December 26th, 2019, 02:22 PM   #5
 
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I use Missouri Bullet coated 18bhn 240s "Keith" SWC and use Hodgdons starting data for W296 for the 240 jacketed. I have the same amount of bullet in the case when seated as the 240 Hornady. And have an extremely accurate load out of my Super Blackhawk with a clean bore come cleaning time.
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