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What's Wrong With .30 Caliber? By Bryan Litz
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<blockquote data-quote="Mysticplayer" data-source="post: 260675" data-attributes="member: 8947"><p>Bryan, that was a great article and one I will reference often to shooters on another site. There is a long standing belief that heavier bullets drift less in the wind. No mention of bullet form is ever discussed.</p><p> </p><p>Your article nicely compares all cals and weights that produce similar ballistics. And from real world shooting, that comes very close to my reality too.</p><p> </p><p>What I would like to see in the bullet industry is some standard for generating BC values so that shooters can get a fair comparison of potential ballistics.</p><p> </p><p>Of course, I understand as a marketing tool, that number can make or break a shooters choice thus affecting sales. But varying G forms, ogive shapes, ways of measuring/generating BC's, the number is becoming more opinion then fact.</p><p> </p><p>Could get some increased competition in making more aero bullets?</p><p> </p><p>I like what you are doing at Bergers and noticed the BC values are changing more in line with what we see when a primer is popped. Great stuff.</p><p> </p><p>I have also quickly moved away from the 30cal to the 22 and 6.5. New High BC bullets and a general hate for recoil has made this choice easy. I can expect that as new bullets in larger cals exploit the shapes used in smaller cals, the playing field will once again be leveled.</p><p> </p><p>Larger heavier bullets will offer higher BCs so LR performance will be superior when launched at the same speed. Of course, recoil will also be higher but that is the price you pay.</p><p> </p><p>Look forward to more articles and info from you...plus new offerings from BERGER.</p><p> </p><p>Take care.</p><p> </p><p>Jerry</p><p> </p><p>PS can you explain why there seems to be an upper limit on how heavy/long we can make a bullet? 22cal seems to max at 90gr, 6mm at 115gr, 140ish for the 6.5's, etc</p><p> </p><p>Is it a material strength issue? would going to a lighter core help?</p><p> </p><p>would be wonderful to see a 150gr 6.5 with a BC of 0.65 but no one seems to want to make a VLD bullet heavier/longer.</p></blockquote><p></p>
[QUOTE="Mysticplayer, post: 260675, member: 8947"] Bryan, that was a great article and one I will reference often to shooters on another site. There is a long standing belief that heavier bullets drift less in the wind. No mention of bullet form is ever discussed. Your article nicely compares all cals and weights that produce similar ballistics. And from real world shooting, that comes very close to my reality too. What I would like to see in the bullet industry is some standard for generating BC values so that shooters can get a fair comparison of potential ballistics. Of course, I understand as a marketing tool, that number can make or break a shooters choice thus affecting sales. But varying G forms, ogive shapes, ways of measuring/generating BC's, the number is becoming more opinion then fact. Could get some increased competition in making more aero bullets? I like what you are doing at Bergers and noticed the BC values are changing more in line with what we see when a primer is popped. Great stuff. I have also quickly moved away from the 30cal to the 22 and 6.5. New High BC bullets and a general hate for recoil has made this choice easy. I can expect that as new bullets in larger cals exploit the shapes used in smaller cals, the playing field will once again be leveled. Larger heavier bullets will offer higher BCs so LR performance will be superior when launched at the same speed. Of course, recoil will also be higher but that is the price you pay. Look forward to more articles and info from you...plus new offerings from BERGER. Take care. Jerry PS can you explain why there seems to be an upper limit on how heavy/long we can make a bullet? 22cal seems to max at 90gr, 6mm at 115gr, 140ish for the 6.5's, etc Is it a material strength issue? would going to a lighter core help? would be wonderful to see a 150gr 6.5 with a BC of 0.65 but no one seems to want to make a VLD bullet heavier/longer. [/QUOTE]
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