I am a new smoothbore shooter and have an original 1842 that has been relined by Hoyt. The bore diameter is .681 by my calipers. I have been trying to shoot a .679 ball which has been a challenge. Some events I only get off 1 round because the balls are too tight.
What I'm trying to get to here is how much undersize should my ball be to be able to load easily and also have good accuracy.
I know of one member on our team who is smoking fast (and accurate) with his '42 and he is using a ball that is .010 smaller than his bore.
I need to buy a mould but want to only buy once cause they ain't cheap!!
Thanks for any guidance.
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