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A little help please, I need verification and validation

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So I need a little help with Unique powder.

 

I'm about to start reloading .45ACP for the first time using a lee loadmaster, Unique powder, and 200 grain SWC bullets from precion. The reloading book I have does not have a category listing for the bullet and powder I have so I'm looking for some insight in how to interpret the data that is there.

 

Can someone offer up some published information on what grains is safe to start with with?

 

I'm looking to load just mild target loads...

  • Author

Thanks guys...

 

I had already book marked the alliant site, but since it does not say if the grains listed is the start or max load, i was a bit worried using it as a reference since I'm new to this.

As a rule of thumb (if you want to keep all your digits) if there is only ONE powder weight listed, regard it as MAX CHARGE.

Starting charge is generally 10% less than the Max Charge.

 

BEWARE and BE CAREFUL

  • Author

Thank you...

 

So what happens if the bullet grain you have is different that printed? Example. I have 124 grain hp 9mm but the book lists 125 grain. Is the rule of thumb to keep looking for the correct listing, or is using a heavier grain bullet load data with the lower weight bullet okay?

Depends on the bullet. Some manufacturers tell you what listing to look for. But usually a 1gn difference in weight isn't going to make a lot of difference. The only thing that would affect the load is the plating itself. Some manufacturers use thicker or thinner plating which would require higher or lower pressures to achieve the same velocity.

  • Author

So what's the difference with plated and jacketed?

Plated bullets USUALLY use either the data for lead bullets or the low to mid range data for Jacketed bullets.

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