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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hornady ELD-X Official Thread
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<blockquote data-quote="Pdvdh" data-source="post: 1130636" data-attributes="member: 4191"><p>10-4. That's why moly and HBN coated bullets can be driven to somewhat higher velocity, compared to uncoated bullets. The HBN reduces the friction between the bullet and the bore. A longer bearing surface means more friction between the bullet and the bore.</p><p></p><p>Is there any other plausible explanation as to why a 215gr Berger Hybrid can be launched 50fps faster than a 210gr Berger VLD in the same rifle, same casings, same powder, same primers, same seating depth off lands, same temperature, slight difference in powder charge?</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1130636, member: 4191"] 10-4. That's why moly and HBN coated bullets can be driven to somewhat higher velocity, compared to uncoated bullets. The HBN reduces the friction between the bullet and the bore. A longer bearing surface means more friction between the bullet and the bore. Is there any other plausible explanation as to why a 215gr Berger Hybrid can be launched 50fps faster than a 210gr Berger VLD in the same rifle, same casings, same powder, same primers, same seating depth off lands, same temperature, slight difference in powder charge? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Hornady ELD-X Official Thread
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