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Rifles, Reloading, Optics, Equipment
Gunsmithing
Major copper fouling?
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<blockquote data-quote="nicholasjohn" data-source="post: 1934622" data-attributes="member: 109113"><p>The fire-lapping is something guy either love or hate. A lot of guys are philosophically opposed to the idea of running anything abrasive through their rifle bore. I strongly suspect that most of the guys who hate it have either never tried it, or they didn't read the directions before they did it. </p><p></p><p>I have only one rifle that I have fire-lapped, and it shoots <em>extremely</em> well ( noticeably better than it did before lapping the bore ) and doesn't foul. The process is a major pain in the keester, but I would definitely do it again if I had a rough barrel. If I do, I will keep my use of the rougher grits to a minimum, as you have advised. The removal of metal is permanent, and I wouldn't want to get into the situation where I have "cut it off twice and it's still too short."</p><p></p><p>My main concern when I was lapping my bore was that it would lengthen the free-bore in the throat. If it did, it wasn't enough for me to measure. This kinda surprised me, but that is what I found. I didn't have a borescope at the time, so I don't know what the inside of the bore looked like before lapping. It felt a lot smoother when I pushed a tight patch through it, though, which says something. I have a borescope now, and after lapping the bore looks like a mirror.</p></blockquote><p></p>
[QUOTE="nicholasjohn, post: 1934622, member: 109113"] The fire-lapping is something guy either love or hate. A lot of guys are philosophically opposed to the idea of running anything abrasive through their rifle bore. I strongly suspect that most of the guys who hate it have either never tried it, or they didn't read the directions before they did it. I have only one rifle that I have fire-lapped, and it shoots [I]extremely[/I] well ( noticeably better than it did before lapping the bore ) and doesn't foul. The process is a major pain in the keester, but I would definitely do it again if I had a rough barrel. If I do, I will keep my use of the rougher grits to a minimum, as you have advised. The removal of metal is permanent, and I wouldn't want to get into the situation where I have "cut it off twice and it's still too short." My main concern when I was lapping my bore was that it would lengthen the free-bore in the throat. If it did, it wasn't enough for me to measure. This kinda surprised me, but that is what I found. I didn't have a borescope at the time, so I don't know what the inside of the bore looked like before lapping. It felt a lot smoother when I pushed a tight patch through it, though, which says something. I have a borescope now, and after lapping the bore looks like a mirror. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Major copper fouling?
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