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Over size cylinder bolt

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D Sanders

40 Cal.
Joined
Jan 26, 2008
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I have a Pietta 1858 new army that has a slight chamber to bore alignment issue. I need an over sized or slightly wider cylinder bolt to re fit and line up closer. I would like to try to fix this problem if only to see if I can do it myself. It shoots OK but not great. Does anyone know where I can find such parts if they are available. Thanks in advance.
HH60
 
Is it new? Did it come from the dealer like this? If so, return it and get a replacement. If it is not new, I know of no source for oversize cylinder bolts. You may have to resort to having one made by a gunsmith. But, this may cost more than the gun is worth. Check it out but you may have to just retire it and buy a new gun or find a good condition used one. Check this out http://www.muzzleloadingforum.com/pp-classifieds/showproduct.php/product/12185+
 
Last edited by a moderator:
By slightly wider how much are you referring to? It is normal for the bolt to be a few thousandths of an inch, like .002 to .005, smaller than the cylinder notch. The rotational alignment difference this causes is compensated for by the forcing cone in the end of the barrel.
 
This would be a dandy time to correct any lateral chamber mis-alingment. Dress the side of the bolt (nose only, not the whole body side)that needs to give up some material, to better line the chamber up with the bore from the notch.
The reason for not reducing the whole bolt body side( only the part that goes into the notch) is to maintain a snug window fit with the bolt body.
 

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