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Hunting
Long Range Hunting & Shooting
Barrel break in true or not?
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<blockquote data-quote="slikmrc" data-source="post: 2756376" data-attributes="member: 116436"><p>I bought a 25-06 that had a custom barrel installed. Barrel was very rough and pressured up with no speed way below book max. I put the full 50 Tubbs lapping bullets thru per the instructions, figured it couldn't make it any worse. I used a magneto-speed and started seeing velocity start to change after the first couple of grits. They definitely worked on this barrel, lost about 90 fps with loads shot prior to the lapping bullets and accuracy improved. Copper fouling was bad before the bullets and now is on par with a factory barrel. I'm working up a load 117 grain sst bullets and H1000 powder. No pressure spikes and 57.5 grain load @ 3020 fps, it's a little warm but before the lapping bullets I would have never got there. Only a sample of 1 but I'm more than happy with the results.</p></blockquote><p></p>
[QUOTE="slikmrc, post: 2756376, member: 116436"] I bought a 25-06 that had a custom barrel installed. Barrel was very rough and pressured up with no speed way below book max. I put the full 50 Tubbs lapping bullets thru per the instructions, figured it couldn't make it any worse. I used a magneto-speed and started seeing velocity start to change after the first couple of grits. They definitely worked on this barrel, lost about 90 fps with loads shot prior to the lapping bullets and accuracy improved. Copper fouling was bad before the bullets and now is on par with a factory barrel. I'm working up a load 117 grain sst bullets and H1000 powder. No pressure spikes and 57.5 grain load @ 3020 fps, it's a little warm but before the lapping bullets I would have never got there. Only a sample of 1 but I'm more than happy with the results. [/QUOTE]
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Barrel break in true or not?
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