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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 x 284
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<blockquote data-quote="MU Ag Rho" data-source="post: 99092" data-attributes="member: 1754"><p>I am no expert on either one but it will burn less powder, does not have a belt, can be in a short action and overall easier to load for.</p><p></p><p>Here is a quote from Sierra's manual. "Some special cautions apply when loading the 264 Win Mag. In order to achieve the highest possible velocities at acceptable pressures, Winchester's engineers designed the 264 (and factory oladed ammo for this cartridge) to use a "two diameter" bullet. In this design, the bullet diameter steps down a few thousandths just ahead of the bearing surface, resulting in a bore-riding forward shank. This portion of the bullet actually rides on the top of the lands, while the full .264" portion is engraved by the rifling. For best accuracy, this requires an extremely short throat. While the combination works, ti creates a problem when using 6.5mm bullets of conventional design. The short throat requires deep seating in order to prevent "jamming" of the bullet into the rifling." </p><p></p><p>Don't know if this helps but I found it to be intersting.</p><p></p><p>Dan</p></blockquote><p></p>
[QUOTE="MU Ag Rho, post: 99092, member: 1754"] I am no expert on either one but it will burn less powder, does not have a belt, can be in a short action and overall easier to load for. Here is a quote from Sierra's manual. "Some special cautions apply when loading the 264 Win Mag. In order to achieve the highest possible velocities at acceptable pressures, Winchester's engineers designed the 264 (and factory oladed ammo for this cartridge) to use a "two diameter" bullet. In this design, the bullet diameter steps down a few thousandths just ahead of the bearing surface, resulting in a bore-riding forward shank. This portion of the bullet actually rides on the top of the lands, while the full .264" portion is engraved by the rifling. For best accuracy, this requires an extremely short throat. While the combination works, ti creates a problem when using 6.5mm bullets of conventional design. The short throat requires deep seating in order to prevent "jamming" of the bullet into the rifling." Don't know if this helps but I found it to be intersting. Dan [/QUOTE]
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Rifles, Bullets, Barrels & Ballistics
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