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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
A slightly different question on breaking in a BBL
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<blockquote data-quote="7mmRHB" data-source="post: 89659" data-attributes="member: 3584"><p>4ky ,Ill give you my biased oppinion on before and after .</p><p> 280REM. in a M70 featherweight. Before 3" groups or worse .</p><p> 14 patches to get clean w/Coppermelt. Extremely rough with two constrictions. I had no choice but to run the entire 50 bullets in the kit. afterward the gun cleaned in 3 or 4 coppermelt patches and w/140nbt and 59.5grs IMR 4831 it shot nine consecutive shots into a.289" group. I was sold on Tubbs FFS after that. THIS STUFF WORKS </p><p> They're not all that dramatic of a change ,but they all change for the better. You do have to make load adjustments to account for the slick barrel , (1 to 3 grs)7mmrhb</p></blockquote><p></p>
[QUOTE="7mmRHB, post: 89659, member: 3584"] 4ky ,Ill give you my biased oppinion on before and after . 280REM. in a M70 featherweight. Before 3" groups or worse . 14 patches to get clean w/Coppermelt. Extremely rough with two constrictions. I had no choice but to run the entire 50 bullets in the kit. afterward the gun cleaned in 3 or 4 coppermelt patches and w/140nbt and 59.5grs IMR 4831 it shot nine consecutive shots into a.289" group. I was sold on Tubbs FFS after that. THIS STUFF WORKS They're not all that dramatic of a change ,but they all change for the better. You do have to make load adjustments to account for the slick barrel , (1 to 3 grs)7mmrhb [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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A slightly different question on breaking in a BBL
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