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Old 01-14-2014, 07:00 AM
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bat119 bat119 is offline
 
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Default Pietta 1873 44-40 bullet diameter ?

I load Starline brass with 30 grains of 777 under a 200 gr. 44 RNFP BB .430 bullet. for my 94 Winchester, this is a very accurate load in my rifle.
The rounds chamber in my 1873 Pietta with no problem they slip in freely, an unfired bullet will slip through the chamber.
Would shooting .430 diameter bullets through my Pietta's barrel that slugged out at .428 create a problem?

The Lyman book recommends .005-.001 over bore size would .002 cause excess leading or pressure?
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Old 01-14-2014, 10:04 AM
Pudelpointer Pudelpointer is offline
 
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Two thou "shouldn't" be a problem with pressure, especially if using a cast bullet (assuming the bullet you are describing is cast as you have a concern about leading).

Being oversized should result in less leading in my experience.
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Old 01-14-2014, 10:40 AM
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Yes its a bullet barn cast lead bullet, I bought 500 of the .430 for my rifle then when I slugged my pistol barrel it was smaller I was hoping to use the same load for both. I give them a go and see how they shoot
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