internal vloume difference between brass

[CST]

anyone know approx. how many grains in capcity difference there is between Winchester brass and Lake City? I know the LC is slighlty thick and assume its gonna be alittle tighter....

 

[bohem]

Re: internal vloume difference between brass

A friend of mine made that switch for a load that was 175 SMKs over Varget. He had to come down almost 2gr IIRC for the LC brass to match the velocity.

 

[Grand]

Re: internal vloume difference between brass

Depends largely on vintage of the brass.