xsivhp said:OOPS - Better clarify - The ones that are in there stick are suppose to be 13.5 grams according to the stock specs in the tech pages? These are suppose to be 4.5 and 3.1 gram rivets that I got from Bruce at CB. Is that what they are? These are that much lighter than the sock ones, yet the one is larger? Doesn't make sense to me.