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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hand Lapping Barrels
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<blockquote data-quote="tim_w" data-source="post: 1347040" data-attributes="member: 11132"><p>Hand lapping requires you to make a lead slug attached to a rod that is for the bore coated with lapping compound. Do it wrong and you can open up the muzzle ruin the crown etc. They are also done prior to chambering so that's another issue.</p><p></p><p>IMO if we are talking production grade barrels final finish using the top 2 or maybe 3 finest grit bullet groups. Polish the chamber with a very fine paste and a tight fit chamber mop.</p><p></p><p>Without a bore scope you are having to go totally by feel if you try real hand lapping. Too much and change the bore specs.</p><p></p><p>Lot of work for $100 barrel IMO but I guess if you are already casting bullets or have a melt pot for the lead etc but I would start on a barrel you do not care about to get a feel for it.</p></blockquote><p></p>
[QUOTE="tim_w, post: 1347040, member: 11132"] Hand lapping requires you to make a lead slug attached to a rod that is for the bore coated with lapping compound. Do it wrong and you can open up the muzzle ruin the crown etc. They are also done prior to chambering so that's another issue. IMO if we are talking production grade barrels final finish using the top 2 or maybe 3 finest grit bullet groups. Polish the chamber with a very fine paste and a tight fit chamber mop. Without a bore scope you are having to go totally by feel if you try real hand lapping. Too much and change the bore specs. Lot of work for $100 barrel IMO but I guess if you are already casting bullets or have a melt pot for the lead etc but I would start on a barrel you do not care about to get a feel for it. [/QUOTE]
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Hand Lapping Barrels
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