The problem with this method is it is imprecise. Bullet noses, expecially on lead tipped and hollow point bullets vary quite a bit in length,
Which is why I mentioned using a few bullets instead of only one.I use several bullets and take an average which is fairly accurate with most decent quality bullets.Obviously I avoid using bullets that have visibly deformed tips.
I just did a quick measurement of 10 175gr matchkings,10 140gr mrx bullets, 10 140gr ballistic tips,and 10 140gr tsx bullets.
The hollow point tsx and matckings varied by .006" and the mrx and ballistic tip by .003".
If you take the average for each,you are left with .003" and .0015" which is close enough for my purposes.
