Having a tough time coming up with a BC estimate for my 400 grain, wide meplat bullet, mainly because I've not found a way to get the form factor or coefficient of drag. SD is 0.27. 400 grain, WFNGC with .37" meplat. .458 caliber, .46 diameter at the bands, .95" overall length. This one:
http://accuratemolds.com/bullet_deta...ullet=46-405VG
Any help appreciated.