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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Is the 6mmXC all that it's made out to be.
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<blockquote data-quote="Trickymissfit" data-source="post: 749539" data-attributes="member: 25383"><p>I never paid all that much attention to the necks and the 6XC, but do shoot the 6/250AI. Now my necks come out to slightly over .230" long due to case shrinkage, and I use .243 brass as 22-250 brass would be even worse shrinkage. But on the otherhand you won't see much shrinkage with the 6XC as your not moving brass around all that much. With that in mind I figure your getting about a .25" neck length at the max. Now the shoulder angle is a little shallow at 28 degrees, but it's close enough to 30 degrees anyway. I'd rather seen 35 degrees. The vortex of the flame is right near the lip of the case. That's not so hot, and really not a lot better than the standard .243 Winchester. Even the Ackley case is a little too short with a 40 degree shoulder and a .23" neck length (the other neck figures out to be .248"). You really need a .32" or longer neck for good barrel life. I doubt my 6/250AI will go much beyond 1250 rounds, and I'd think the 6XC will be about 75% of that figure.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 749539, member: 25383"] I never paid all that much attention to the necks and the 6XC, but do shoot the 6/250AI. Now my necks come out to slightly over .230" long due to case shrinkage, and I use .243 brass as 22-250 brass would be even worse shrinkage. But on the otherhand you won't see much shrinkage with the 6XC as your not moving brass around all that much. With that in mind I figure your getting about a .25" neck length at the max. Now the shoulder angle is a little shallow at 28 degrees, but it's close enough to 30 degrees anyway. I'd rather seen 35 degrees. The vortex of the flame is right near the lip of the case. That's not so hot, and really not a lot better than the standard .243 Winchester. Even the Ackley case is a little too short with a 40 degree shoulder and a .23" neck length (the other neck figures out to be .248"). You really need a .32" or longer neck for good barrel life. I doubt my 6/250AI will go much beyond 1250 rounds, and I'd think the 6XC will be about 75% of that figure. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Is the 6mmXC all that it's made out to be.
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