115gr Dtac 6mm Sectional Density?

Re: 115gr Dtac 6mm Sectional Density?

You should be able to calculate it. Check a reloading manual, There should be a section that covers it.

It should be weight of bullet / diameter squared.
 
Re: 115gr Dtac 6mm Sectional Density?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Bryan Litz</div><div class="ubbcode-body">In words:
SD = bullet weight in grains divided by 7000 divided by caliber squared.

Formula:
115/7000/.244^2 = <span style="font-weight: bold">.278</span>

-Bryan </div></div>

once again, thanks Bryan!