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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Melonite barrel treatment
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<blockquote data-quote="Pdvdh" data-source="post: 582319" data-attributes="member: 4191"><p>I will add this. When I break in my new barrels, I visually see copper laid down the full length of the bore, visible at the muzzle with the initial shots. And on a custom barrel, that quantity of copper is visually reduce with each following shot. So I personally believe the entire bore is being lapped in the direction of bullet travel. Such that the result is the entire length of the bore is improved to the point that very little copper stripping occurs, after bullet lapping break in of the new bore. There may be larger imperfections caused by the chamber reamer or the crowning tools, but to my eyes, the entire bore surface is markedly improved with as few as 6 bullets being fired against a spanking clean bore. Lesser quality barrels may require 12 or 20 shots to yield the same improvement. Some bores won't condition and clean up no matter how many bullets fired, in my experience. I give up after about 25 shots.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 582319, member: 4191"] I will add this. When I break in my new barrels, I visually see copper laid down the full length of the bore, visible at the muzzle with the initial shots. And on a custom barrel, that quantity of copper is visually reduce with each following shot. So I personally believe the entire bore is being lapped in the direction of bullet travel. Such that the result is the entire length of the bore is improved to the point that very little copper stripping occurs, after bullet lapping break in of the new bore. There may be larger imperfections caused by the chamber reamer or the crowning tools, but to my eyes, the entire bore surface is markedly improved with as few as 6 bullets being fired against a spanking clean bore. Lesser quality barrels may require 12 or 20 shots to yield the same improvement. Some bores won't condition and clean up no matter how many bullets fired, in my experience. I give up after about 25 shots. [/QUOTE]
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Rifles, Bullets, Barrels & Ballistics
Melonite barrel treatment
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