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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
I made up my mind
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<blockquote data-quote="MudRunner2005" data-source="post: 925034" data-attributes="member: 12995"><p>Hand-lapping is where the smith makes a bore slug of your barrel with hot lead, and uses lapping compound and runs that slug up and down the bore removing tooling marks from where the bore and rifling were cut. It basically smooths everything out and helps to remove rough spots that cause copper fauling and buildup.</p><p></p><p>Re-crowning is where the smith re-cuts the crown on the barrel because factory crowns suck. Crowns are very important, because if you have a chipped or uneven crown your barrel gasses (that propel the bullet down the barrel) will expel funny or uneven and it can kick the bullet a certain direction causing inconsistant accuracy and shifting point of impact.</p></blockquote><p></p>
[QUOTE="MudRunner2005, post: 925034, member: 12995"] Hand-lapping is where the smith makes a bore slug of your barrel with hot lead, and uses lapping compound and runs that slug up and down the bore removing tooling marks from where the bore and rifling were cut. It basically smooths everything out and helps to remove rough spots that cause copper fauling and buildup. Re-crowning is where the smith re-cuts the crown on the barrel because factory crowns suck. Crowns are very important, because if you have a chipped or uneven crown your barrel gasses (that propel the bullet down the barrel) will expel funny or uneven and it can kick the bullet a certain direction causing inconsistant accuracy and shifting point of impact. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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I made up my mind
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