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Hunting
Long Range Hunting & Shooting
Barrel break in accuracy
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<blockquote data-quote="txsheepman" data-source="post: 2459926" data-attributes="member: 116553"><p>I had a rifle built with a hart barrel about a year ago chambered in 6.5 Weatherby RPM. After initial break in it would shoot 1/2 moa groups with factory and even some heavy 156 Berger's. I was super excited. At about 100 rounds it opened up to 2-4 moa and no amount of cleaning would change it. Looked in it with a borescope and found porosity issues near the muzzle. We are going to cut it back and recrown it and pray that works. Otherwise, replace it it wit not a hart barrel. </p><p></p><p>Good luck</p></blockquote><p></p>
[QUOTE="txsheepman, post: 2459926, member: 116553"] I had a rifle built with a hart barrel about a year ago chambered in 6.5 Weatherby RPM. After initial break in it would shoot 1/2 moa groups with factory and even some heavy 156 Berger’s. I was super excited. At about 100 rounds it opened up to 2-4 moa and no amount of cleaning would change it. Looked in it with a borescope and found porosity issues near the muzzle. We are going to cut it back and recrown it and pray that works. Otherwise, replace it it wit not a hart barrel. Good luck [/QUOTE]
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Barrel break in accuracy
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