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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
howa 243 not grouping
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<blockquote data-quote="shortgrass" data-source="post: 458460" data-attributes="member: 24284"><p>Most factory barrels need a 'break-in' as they're not hand lapped. Breaking -in is basicly burnishing the inside of the barrel to even out burrs or minor tool marks. Those burrs or tool marks can and will collect copper so that may be why you're having to clean it every 2-3 shots. After the marks are worn down the barrel shouldn't collect as much copper. What tunacan said about the shooting vise holds true. A .243 doesn't kick much, use a front rest and rear bag, like he suggested. Might change to bullets designed for bigger game, too, until you feel the barrel is broke-in. Varmint bullets are ment to expand violently, jackets may be soft and leave more copper deposits than a stiffer bullet would. Is the stock 'tupperware'?just my 2 cents</p></blockquote><p></p>
[QUOTE="shortgrass, post: 458460, member: 24284"] Most factory barrels need a 'break-in' as they're not hand lapped. Breaking -in is basicly burnishing the inside of the barrel to even out burrs or minor tool marks. Those burrs or tool marks can and will collect copper so that may be why you're having to clean it every 2-3 shots. After the marks are worn down the barrel shouldn't collect as much copper. What tunacan said about the shooting vise holds true. A .243 doesn't kick much, use a front rest and rear bag, like he suggested. Might change to bullets designed for bigger game, too, until you feel the barrel is broke-in. Varmint bullets are ment to expand violently, jackets may be soft and leave more copper deposits than a stiffer bullet would. Is the stock 'tupperware'?just my 2 cents [/QUOTE]
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howa 243 not grouping
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