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Rifles, Reloading, Optics, Equipment
Gunsmithing
1st time Bartlein barrel
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<blockquote data-quote="Hired Gun" data-source="post: 957714" data-attributes="member: 1290"><p>Barrels are contoured based off the 60 degree center drill into the ends of the barrel. The end of the bore is indicated and the center drill is run based on that. They ought to run dead true on the ends from the bore. I can't imagine how one could be off center. I have watched them profile barrels. It is done at 4500 to 5000 rpm. I would think .0075" run out in the middle would be shaking the house down. </p><p> </p><p>I only use Bartlein and Krieger if I'm asked my preference. I have found Bartlein to be consistently straighter than ANY other barrels. I can't really say they shoot measurably better than any others though when I'm putting my best foot forward it's with a Bartlein.</p></blockquote><p></p>
[QUOTE="Hired Gun, post: 957714, member: 1290"] Barrels are contoured based off the 60 degree center drill into the ends of the barrel. The end of the bore is indicated and the center drill is run based on that. They ought to run dead true on the ends from the bore. I can't imagine how one could be off center. I have watched them profile barrels. It is done at 4500 to 5000 rpm. I would think .0075" run out in the middle would be shaking the house down. I only use Bartlein and Krieger if I'm asked my preference. I have found Bartlein to be consistently straighter than ANY other barrels. I can't really say they shoot measurably better than any others though when I'm putting my best foot forward it's with a Bartlein. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
1st time Bartlein barrel
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