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Rifles, Reloading, Optics, Equipment
Reloading
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<blockquote data-quote=".300 Dakota" data-source="post: 2244278" data-attributes="member: 106514"><p>One other unlikely, but theoretically possible (especially with Winchester brass with Short Mags, but may be seen in others) is rim (head) thickness OR diameter inconsistencies/irregularities. Since you removed the extractor (assuming not a controlled round feed action), thickness should not be an issue, but I've had cases not fit the appropriate shell holder and others slide in effortlessly in the same bag due to variations in rim/head diameter. This can cause some resistance on bolt closing mimicking a headspace issue. Since your brass is used, I would think the problem is much more likely to be headspacing. Excess rim diameter to the point of giving resistance on bolt closure is rare, but more likely on cases with the largest rims (i.e. Short Mags, Ultra Mags, and now the 6.8 Western)</p></blockquote><p></p>
[QUOTE=".300 Dakota, post: 2244278, member: 106514"] One other unlikely, but theoretically possible (especially with Winchester brass with Short Mags, but may be seen in others) is rim (head) thickness OR diameter inconsistencies/irregularities. Since you removed the extractor (assuming not a controlled round feed action), thickness should not be an issue, but I've had cases not fit the appropriate shell holder and others slide in effortlessly in the same bag due to variations in rim/head diameter. This can cause some resistance on bolt closing mimicking a headspace issue. Since your brass is used, I would think the problem is much more likely to be headspacing. Excess rim diameter to the point of giving resistance on bolt closure is rare, but more likely on cases with the largest rims (i.e. Short Mags, Ultra Mags, and now the 6.8 Western) [/QUOTE]
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