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Old October 24, 2020, 05:13 PM   #1
Nick S.
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1805 Harpers Ferry pistol

Just got a 1805 Harpers Ferry pistol (Italian import) in .58 cal. Have 3 F black powder, .57" balls, shooting patches, & flint. What's a safe starting load in grains? I've been shooting my .50 cal. Hawkin (percussion) for years and my Brown Bess since the 70's. My 1st time with a .58 cal pistol.
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Old October 25, 2020, 12:12 PM   #2
arcticap
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The Pedersoli loading manual lists the Harpers Ferry loads as:

Min. powder charge - 25 grains
Max. powder charge - 40 grains

.575 round ball
.010 patch

Source [scroll down to the pistols section]: --->>> https://www.davide-pedersoli.com/upl...%202014_06.pdf
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Old October 25, 2020, 05:12 PM   #3
Nick S.
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Will I be able to use the .570" round ball? Thanks for the info.
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Old October 25, 2020, 06:15 PM   #4
arcticap
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Quote:
Will I be able to use the .570" round ball? Thanks for the info.
Yes, then use a thicker patch such as .015.

Last edited by arcticap; October 25, 2020 at 06:23 PM.
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Old October 30, 2020, 04:19 PM   #5
Nick S.
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Thanks. Might take it out for a spin tomorrow.
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Old October 31, 2020, 01:37 PM   #6
T. O'Heir
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Buy a copy of Lyman's BP Handbook and Reloading Guide. $24.50 directly from Lyman. Or $19.99 from Midway.
Keep in mind that BP is loaded in grains by Volume not mass like smokeless powder.
"...Italian import..." Most of 'em are. There a brand on it? Most commercial balls are .570". However, since it came with patches, I'd be guessing(very much so) it needs 'em.
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