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Rifles, Reloading, Optics, Equipment
Reloading
.300 Win Mag issues
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<blockquote data-quote="C Harrison" data-source="post: 1009986" data-attributes="member: 76871"><p>Factory chambers tend to be longer throated than custom chambers so it is rather normal for the VLD bullets to not fit in the magazine when you are reaching for the lands. Headspace is measured at the datum line on the shoulder rather than the distance to the lands so I'm sure your headspace is in spec. I recommend seating the bullet out as far as needed to the lands and see what happens. My 300 win likes a .001 jam with the 210 Berger. Reduce the powder charge before jamming the bullets into the lands as pressure tends to increase faster with a jam. Retumbo worked best for me. Also, I had a Sendero that would not group no matter what I did with any combination of components so consider that too.</p></blockquote><p></p>
[QUOTE="C Harrison, post: 1009986, member: 76871"] Factory chambers tend to be longer throated than custom chambers so it is rather normal for the VLD bullets to not fit in the magazine when you are reaching for the lands. Headspace is measured at the datum line on the shoulder rather than the distance to the lands so I'm sure your headspace is in spec. I recommend seating the bullet out as far as needed to the lands and see what happens. My 300 win likes a .001 jam with the 210 Berger. Reduce the powder charge before jamming the bullets into the lands as pressure tends to increase faster with a jam. Retumbo worked best for me. Also, I had a Sendero that would not group no matter what I did with any combination of components so consider that too. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
.300 Win Mag issues
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