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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
howa 243 not grouping
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<blockquote data-quote="wvcountryboy" data-source="post: 458475" data-attributes="member: 28693"><p>At first I thought you had too slow of a twist but then you said it was a new barrel and it shot better when it was clean.When ever I break in a new barrel i clean between every shot for the first 10 and then every 2 to 20. I dont let it go past 5 shots until after 40. It seems like 40 rounds is the magic number. copper fouling goes down significantly after that point. If you still have bad copper fouling at 40, keep it down to 5 rounds until it gets better.</p></blockquote><p></p>
[QUOTE="wvcountryboy, post: 458475, member: 28693"] At first I thought you had too slow of a twist but then you said it was a new barrel and it shot better when it was clean.When ever I break in a new barrel i clean between every shot for the first 10 and then every 2 to 20. I dont let it go past 5 shots until after 40. It seems like 40 rounds is the magic number. copper fouling goes down significantly after that point. If you still have bad copper fouling at 40, keep it down to 5 rounds until it gets better. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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howa 243 not grouping
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