Long Guns > Single Shot Black Powder Rifles

What do you do with a chamber casting?

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Retreever:
Who says there's no such thing as a dumb question? L@J

From previous reading / research I am lead to believe you can improve your reloading using a cast of the chamber to determine specific features.

There are lots of articles and videos on how to cast a chamber but I have not been able to find anything on how/what you measure on the casting and translate that into changes to your reloading setup. I work best with visuals.

Can someone here point me in the right direction?

Thanks, Retreever

Hawg:
I'm not sure how it would relate to reloading. I have used chamber castings to see what was up with a chamber where I was having trouble with extraction and to determine caliber.

mike116:
BPCR reloaders use chamber castings to determine how deep or shallow to seat their bullets.   In other words they determine COAL by measuring where they want the bullet to start out.  Some need the bullet to just touch the rifling, others set the bullet deep into the rifling, some guns like the bullet to have a small jump to the rifling.   I have read that very small adjustments can mean a lot in accuracy.

StrawHat:
Go here,

https://www.assra.com/cgi-bin/yabb/YaBB.pl

And read, read a lot. These boys take single shot rifles seriously.

Kevin

Retreever:
Thanks SH, I posted there as well and got a great answer.

Retreever

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