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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Tubb bore polishing ammo
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<blockquote data-quote="Rich Coyle" data-source="post: 1171755" data-attributes="member: 70559"><p>Before I ever heard of Tubb I heard of fire-lapping. Every firearm I fire-lapped improved in groups and cleaning. In a 10/22 I fired fifty factory rounds by dipping them into .005 lapping compound. A tiny bit stuck to the end. I have no idea what the g force is when a bullet accelerates but it is obviously enough for the material to slide over to the rifling and polish it.</p><p></p><p>On my .454 I actually purchased some lead bullets and rolled them in the .005 lapping compound to impregnate the lead. I inspected the rifling prior to lapping. There were very small chatter marks. Afterward they were gone. The accuracy improved marginally and cleaning became a breeze.</p></blockquote><p></p>
[QUOTE="Rich Coyle, post: 1171755, member: 70559"] Before I ever heard of Tubb I heard of fire-lapping. Every firearm I fire-lapped improved in groups and cleaning. In a 10/22 I fired fifty factory rounds by dipping them into .005 lapping compound. A tiny bit stuck to the end. I have no idea what the g force is when a bullet accelerates but it is obviously enough for the material to slide over to the rifling and polish it. On my .454 I actually purchased some lead bullets and rolled them in the .005 lapping compound to impregnate the lead. I inspected the rifling prior to lapping. There were very small chatter marks. Afterward they were gone. The accuracy improved marginally and cleaning became a breeze. [/QUOTE]
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Tubb bore polishing ammo
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