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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Re-Barreling a Factory .300 RUM
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<blockquote data-quote="Earnhardt" data-source="post: 1333104" data-attributes="member: 53157"><p>My questions are in regards to how to set up the barreling chambering.</p><p></p><p>My factory .300 RUM barrel is in the average category when it comes to accuracy...3/4 to 1 MOA.</p><p></p><p>I bought a Krieger barrel blank a while back, and the questions I have are in regards to setting up the chamber, and the jump to the lands.</p><p>How do you guys know how to set up the free bore in the barrel?</p><p>With the current factory 300 RUM barrel I have, the jump to the lands is so far, I'm wondering if I'm measuring it correctly. And with the minimal reloading experience I have, it's tough for me to figure out a load set up with the VLD bullets I'm using, when the jump to the lands on this factory barrel is so long.</p><p>When you guys have a new barrel set up for your gun, do you have one or loads figured out from prior reloading experience, and base the chambering and jump based on that?</p><p>Or do you have have barrels set up based on max. COAL, determined by a particular magazine you are using in that gun?</p><p>When the load you have in mind, do you send your action, bolt and barrel blank out to a gunsmith to chamber and have them head space it? Or can you just send the barrel out, have the barrel chambered, and re-install it locally? The same as you would with a factory barrel exchange?</p><p>Sorry for the newbie questions...</p><p></p><p>Thanks, Josh</p></blockquote><p></p>
[QUOTE="Earnhardt, post: 1333104, member: 53157"] My questions are in regards to how to set up the barreling chambering. My factory .300 RUM barrel is in the average category when it comes to accuracy...3/4 to 1 MOA. I bought a Krieger barrel blank a while back, and the questions I have are in regards to setting up the chamber, and the jump to the lands. How do you guys know how to set up the free bore in the barrel? With the current factory 300 RUM barrel I have, the jump to the lands is so far, I'm wondering if I'm measuring it correctly. And with the minimal reloading experience I have, it's tough for me to figure out a load set up with the VLD bullets I'm using, when the jump to the lands on this factory barrel is so long. When you guys have a new barrel set up for your gun, do you have one or loads figured out from prior reloading experience, and base the chambering and jump based on that? Or do you have have barrels set up based on max. COAL, determined by a particular magazine you are using in that gun? When the load you have in mind, do you send your action, bolt and barrel blank out to a gunsmith to chamber and have them head space it? Or can you just send the barrel out, have the barrel chambered, and re-install it locally? The same as you would with a factory barrel exchange? Sorry for the newbie questions... Thanks, Josh [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Re-Barreling a Factory .300 RUM
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