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Hunting
Long Range Hunting & Shooting
300 Norma Improved. Load testing, info, and builds
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<blockquote data-quote="rpierce" data-source="post: 1745348" data-attributes="member: 20643"><p>The barrel probably sped up. Another possibility is a carbon buildup. I highly suggest customers get a lyman bore scope, $220 roughly. Itll let you see if theres any carbon buildups left over after you clean the barrel. Carbon buildups will mess with accuracy and velocity big time. I try and clean my barrel every 30 rounds or so with Boretech C4 carbon remover. Ill let it set for an hour or so. The hour will let the carbon breakdown and easily be removed. If any is left I will give the barrel a couple strokes with Thoroughclean from Bullet central. Just make sure you flush all the thoroughclean out afterwards. N570 will leave carbon deposits further down the barrel.</p></blockquote><p></p>
[QUOTE="rpierce, post: 1745348, member: 20643"] The barrel probably sped up. Another possibility is a carbon buildup. I highly suggest customers get a lyman bore scope, $220 roughly. Itll let you see if theres any carbon buildups left over after you clean the barrel. Carbon buildups will mess with accuracy and velocity big time. I try and clean my barrel every 30 rounds or so with Boretech C4 carbon remover. Ill let it set for an hour or so. The hour will let the carbon breakdown and easily be removed. If any is left I will give the barrel a couple strokes with Thoroughclean from Bullet central. Just make sure you flush all the thoroughclean out afterwards. N570 will leave carbon deposits further down the barrel. [/QUOTE]
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300 Norma Improved. Load testing, info, and builds
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