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Joined: Sep 2020
Posts: 23
Boxlock
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Boxlock

Joined: Sep 2020
Posts: 23
Ah-ha! I see it now - very good eye on that and thanks so much once again for sharing your knowledge on these things.

I took casts at the chamber and muzzle last night which yielded a groove diameter of 0.389 inches / 9.89 mm and a land diameter of 0.382 inches / 9.70 mm. I thought this was a bit strange.


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Sidelock
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Sidelock
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Do you mean the difference between stamped 9,5mm dimension & the 9,7mm measured? The difference between 9,9mm and 9,7mm seems correct.

Cheers,

Raimey
rse

Joined: Sep 2020
Posts: 23
Boxlock
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Boxlock

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Yes, the fact that I will be custom casting a .391" bullet which seems to be in "no-man's land" between typical 9.5 and 10mm bullets. Or maybe there was no such thing as typical for this vintage.

Best,
Ian

Joined: Oct 2016
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Sidelock
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Joined: Aug 2007
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Sidelock
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Great link to info by our Steve Meyer.

Cheers,

Raimey
rse

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Boxlock

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Thank you, Steve! That is fantastic and you saved me lots of trial, error, and searching!

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Sidelock
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Yes, BPESteve / Steve Meyer is well versed in the old black-powder rounds. Years ago he used to post quite a bit. He may read threads here, but I have not seen him post in a almost a decade?

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