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Rifles, Reloading, Optics, Equipment
Reloading
Why can't I get a consistant C.O.L.?
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<blockquote data-quote="glassman" data-source="post: 196690" data-attributes="member: 6503"><p>Goodgrouper,</p><p>I always check off the ojive.</p><p>One time when I was checking the "neck run out" on some of the casings that had 5-6 loads on them, I found a couple that were out .010 - .012. So I ran them thru the Redding die and they would only straighten up to .008, so I done two more passes on them and nothing changed.</p><p></p><p>So then I started checking the "body", this is where I discovered how much of a curve the whole case had. I don't remember what that measurement was now (several years back).</p><p></p><p>I have never heard of a <strong>Bersin Tool</strong>, but what I use is a 3/4" block of <strong>UHMW</strong> and with the appropriate holes drilled for the calibers I use, I just place the neck into the hole and with just a little "tweak", the bullet is brought back into alignment. I usually take them to .003 or less. It's quick and easy.</p><p></p><p>But anyway, I think you and I are thinking the same thing - chamber and barrel probably not in the best of alignment. Although, the rifle does shoot very well, all loads are down below 3/4" @ 100.</p><p></p><p>On last note; not all casing have this problem. Some brass is lots harder than others, so this problem is not on a consistent bases.</p><p></p><p>You said:<strong> I can find factory ammo that is running .008" on the tip or ogive and it will go in the chamber fine.</strong></p><p>This is true, but, have you tired this when the bullet in the loaded round is only a few thousands from the riflings?</p></blockquote><p></p>
[QUOTE="glassman, post: 196690, member: 6503"] Goodgrouper, I always check off the ojive. One time when I was checking the "neck run out" on some of the casings that had 5-6 loads on them, I found a couple that were out .010 - .012. So I ran them thru the Redding die and they would only straighten up to .008, so I done two more passes on them and nothing changed. So then I started checking the "body", this is where I discovered how much of a curve the whole case had. I don't remember what that measurement was now (several years back). I have never heard of a [B]Bersin Tool[/B], but what I use is a 3/4" block of [B]UHMW[/B] and with the appropriate holes drilled for the calibers I use, I just place the neck into the hole and with just a little "tweak", the bullet is brought back into alignment. I usually take them to .003 or less. It's quick and easy. But anyway, I think you and I are thinking the same thing - chamber and barrel probably not in the best of alignment. Although, the rifle does shoot very well, all loads are down below 3/4" @ 100. On last note; not all casing have this problem. Some brass is lots harder than others, so this problem is not on a consistent bases. You said:[B] I can find factory ammo that is running .008" on the tip or ogive and it will go in the chamber fine.[/B] This is true, but, have you tired this when the bullet in the loaded round is only a few thousands from the riflings? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Why can't I get a consistant C.O.L.?
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