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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.257, 6.5mm and 270 Allen Mags, New Family or Rounds...
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<blockquote data-quote="DANTEC" data-source="post: 36724" data-attributes="member: 685"><p>120 gr of powder in caliber smaller than 338 cal or you get poor efficiency ( ratio between muzlle velocity and powder mass ) </p><p>Some ignition problem as example case in 408 with 50 bmg primer work fine with full load , with regular mag primer size as 215 Federal ignition is not perfect in al case ( cold weather very slow powder ..)</p><p>some carbon fouling problem too .</p><p></p><p>High BC bullet is alway intresting if they are accurate , what process they use or plan to use regular copper jacket and lead core or other way ?</p><p></p><p>good shooting</p><p></p><p>DAN TEC </p><p></p><p>good shooting</p></blockquote><p></p>
[QUOTE="DANTEC, post: 36724, member: 685"] 120 gr of powder in caliber smaller than 338 cal or you get poor efficiency ( ratio between muzlle velocity and powder mass ) Some ignition problem as example case in 408 with 50 bmg primer work fine with full load , with regular mag primer size as 215 Federal ignition is not perfect in al case ( cold weather very slow powder ..) some carbon fouling problem too . High BC bullet is alway intresting if they are accurate , what process they use or plan to use regular copper jacket and lead core or other way ? good shooting DAN TEC good shooting [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.257, 6.5mm and 270 Allen Mags, New Family or Rounds...
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