7mm 168 JLK vs 168 Berger 30 cal 210 JLK vs 210 Berger. Has anyone shot both of these out of their rifles? JLK advertises higher BC's but to my untrained eye, the Bergers appear to have a bigger boat tail and finer tip. I don't have the slightest idea how BC's are calculated, I am just trying to figure out how the JLK's have such higher BC's before I go shoot them and maybe what to expect. Thanks.