Quote Originally Posted by andyknaster View Post
The JBM states that you enter the overall length of the bullet, but the entire length of the bullet does not engage with the rifling. So in a standard bullet, would the distance be from the base to the ogive and in a boat tail bullet from the end of the boat tail taper to the ogive? Neither the boat tail nor ogive engage with the rifling.


Sent from my iPhone using Tapatalk
As Hersh said, it's the total length that needs stabilized so use that. On the left hand side of the JBM page there is a "Lengths" tab, click on that and they have most of the bullet lengths listed.