fire lapping a bore
#2
Giant Nontypical
Join Date: Nov 2005
Posts: 6,585
RE: fire lapping a bore
I have done a number of guns this way including one home made barrel. What you need to use depends on why you are doing it and what you hope to accomplish. To polish a bore I use jewlers rouge and PRB ,I simply put a light coat of jewlers rouge on the outside of the patch. If you have burrs or rough spots you might want to use valve grinding compound or JB bore paste. If you would give us more info we might be able to help more. One of the important things to remember is not to go over board, when you grind or polish a barrel it takes shots off the life of the barrel. Lee
#4
Nontypical Buck
Join Date: Aug 2005
Location: New Mexico
Posts: 1,081
RE: fire lapping a bore
Here is a link to the kit I used when I fire lapped my son's Bobcat. there is a link on the page to the instructions also. http://www.midwayusa.com/eproductpage.exe/showproduct?saleitemid=646612&t=11082005
The abbrasives used in the kit are pretty coarse so be careful and recheck often. I would only use the finest grade if you only need to smooth it out a littlebecause metal is easier to take off than to put back on.
The JB's is good for a final polishing (you could probably even use the fire lapping method with it).
Here is another link to some info on lapping a barrel. Not all of it applies but gives some interesting reading.
http://yarchive.net/gun/barrel/lapping.html
The abbrasives used in the kit are pretty coarse so be careful and recheck often. I would only use the finest grade if you only need to smooth it out a littlebecause metal is easier to take off than to put back on.
The JB's is good for a final polishing (you could probably even use the fire lapping method with it).
Here is another link to some info on lapping a barrel. Not all of it applies but gives some interesting reading.
http://yarchive.net/gun/barrel/lapping.html
#6
Boone & Crockett
Join Date: Apr 2007
Location: River Ridge, LA (Suburb of New Orleans)
Posts: 10,917
RE: fire lapping a bore
Here's the best article you'll find on fire-lapping muzzle loaders.
http://www.beartoothbullets.com/tech_notes/archive_tech_notes.htm/48
I've fire-lapped several revolvers and one muzzle-loader. Got significant improvement in every case.
http://www.beartoothbullets.com/tech_notes/archive_tech_notes.htm/48
I've fire-lapped several revolvers and one muzzle-loader. Got significant improvement in every case.
#8
Typical Buck
Thread Starter
Join Date: Feb 2003
Location:
Posts: 973
RE: fire lapping a bore
If you would give us more info we might be able to help more
I can not get to the links provided from where I am but will later this evening. Thanks.