Originally Posted By: 762x39If you ever have the misfortune of having to go to non lead bullets for legal purposes, their length per grain weight comparison to lead bullets can also change. In the case of copper, they will be longer per the same grain weight than lead bullets. Less case capacity also goes into the equation for accurate loads.
Amen to that! Before I escaped Kalifornia and moved back to America, I was forced to abandon my beloved 55-grain Ballistic Tips and switch to Varmint Grenades. Can't remember the precise weight I first tried, but they were around 50 grains and didn't group well at all, so I had to move down to 36 grainers.