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Re- grooving an existing rusty barrel

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Colterkid

40 Cal
Joined
Dec 14, 2020
Messages
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Location
Asheboro
Is it possible for someone like Bobby Hoyt to re-grove a TC .54 caliber 1-48 twist barrel?
Found some pit marks in the grooves.
 
Bobby will reline a barrel. He first removes the existing rifling then puts in a liner with new rifling.

Before going to that length, try shooting the bore as is. You'd be surprised what it takes to completely ruin a barrel. I have one I call the Sewer Pipe that shoots 2in groups at 50yd and it has a huge front bead sight that is in no way helpful shooting for accuracy,
 
A jag with green scotch brite patch or a copper chore boy patch and some gun oil used to scrub the barrel will remove alot of the pitting, or at least smooth it out.
 
While I have "refreshed" some barrels. I find that a simple way to get rid of pitting in the groves is to pour a 1 inch long lead slug, Use a hacksaw blade to deepen the groves in the slug(which matches the lands). Then use valve gringing compound to lap the grooves. Just be sure to use a "throw away" rod and a bore protector
 
With a 1" TC barrel Mr. Hoyt could turn it into a .58 for you, the cost would be around $140.

You will need a smaller cleaning jag than a .54 to fit a small square of green scotch bright down the bore, I think I use a .45 jag. Give your barrel 100 strokes, change the pad out when it gets well worn and keep it oiled.
 
Years ago they "freshed" the bore. A wood dowel was fitted with bits of a file and each groove covered, then a shim, such as a thin piece of paper, was put under the file and the process repeated. The grooves only had a slight amount removed. On the lands- not sure but you could probably dip the ball in pipe grinding ointment- etc and polish it up. I am just trying to introduce you to this process- others on this forum may have the details on how to do it or search the net. Worse case scenario- a thicker patch, etc. when all done.
 

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