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my long range rigs
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<blockquote data-quote="barnesuser28" data-source="post: 775539" data-attributes="member: 43468"><p>168 grain smk: Bearing surface is .460</p><p>168 berger VLD: bearing surface is .462</p><p>162 grain Hornady A-Max: bearing surface is .470</p><p>195 berger EOL: bearing surfacd is .502.</p><p> </p><p>the neck length of the 284 win is .280 when trimmed .005 short of maximum. so .470 - .280= .190" which is the lowest amount of freebore wanted for the A-Max, so .270 freebore will still leave .200" of bullet in the case when touching the lands, which is still plenty of bullet when the case neck is only .280.</p><p> </p><p>.502 - .280= .222 freebore as minimum for the 195 EOL, so at .270, i will still be able to move the bullet .048 off the lands and still not hit the donut in the case neck.</p><p> </p><p> </p><p> </p><p>Riley</p></blockquote><p></p>
[QUOTE="barnesuser28, post: 775539, member: 43468"] 168 grain smk: Bearing surface is .460 168 berger VLD: bearing surface is .462 162 grain Hornady A-Max: bearing surface is .470 195 berger EOL: bearing surfacd is .502. the neck length of the 284 win is .280 when trimmed .005 short of maximum. so .470 - .280= .190" which is the lowest amount of freebore wanted for the A-Max, so .270 freebore will still leave .200" of bullet in the case when touching the lands, which is still plenty of bullet when the case neck is only .280. .502 - .280= .222 freebore as minimum for the 195 EOL, so at .270, i will still be able to move the bullet .048 off the lands and still not hit the donut in the case neck. Riley [/QUOTE]
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