I did my load development while fireforming for the 7mm practical. Think it depends on how dramatic vase volume is changing. From 300winmag to 7practical isn't that big a jump in brass I don't think....
Type: Posts; User: robhughes-games
I did my load development while fireforming for the 7mm practical. Think it depends on how dramatic vase volume is changing. From 300winmag to 7practical isn't that big a jump in brass I don't think....