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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
1000 Yard Gun - .260 vs 6.5 Creedmoor
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<blockquote data-quote="backwoods83" data-source="post: 714865" data-attributes="member: 29890"><p>C Buck, BLC is to slow for the 223 unless your shooting 69grn or heavier pills using CCI #41s, 450s, or wolf small rifle mag primers. I have disected a few dozen M118 ball rounds, which is the long range load used in the M24 SWS, its supposed to be a 173grn, the good stuff is actually a 175grn Sierra match king, over 41.5grns of Imr4895, with CCI #34 primers, in sorted (LR headstamp) Lake City brass with a OAL of 2.810". Gives them a MV of 2550fps with the 24" 11.25" twist 5R milspec barrels, done this way to better match the mildot system. That same bullet can be driven as accurate and 150fps+ faster with 4064 or Varget, but it would change all of their charts for the mark 4 fixed 10x mildot that most are topped with.</p></blockquote><p></p>
[QUOTE="backwoods83, post: 714865, member: 29890"] C Buck, BLC is to slow for the 223 unless your shooting 69grn or heavier pills using CCI #41s, 450s, or wolf small rifle mag primers. I have disected a few dozen M118 ball rounds, which is the long range load used in the M24 SWS, its supposed to be a 173grn, the good stuff is actually a 175grn Sierra match king, over 41.5grns of Imr4895, with CCI #34 primers, in sorted (LR headstamp) Lake City brass with a OAL of 2.810". Gives them a MV of 2550fps with the 24" 11.25" twist 5R milspec barrels, done this way to better match the mildot system. That same bullet can be driven as accurate and 150fps+ faster with 4064 or Varget, but it would change all of their charts for the mark 4 fixed 10x mildot that most are topped with. [/QUOTE]
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1000 Yard Gun - .260 vs 6.5 Creedmoor
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