Reloading 38 special with 158 gn RNL over 4.4 gn Unique. About 25 % of cases seem to shave some lead off the bullet. Micrometer on case and bullet dimension shows case 0.376-0.379 OD, bullet measures 0.357-0.358 OD. Completed rounds fit case gauge and chamber in S & W Bodyguard 38 spl just fine. Does not happen in any other caliber with RNL. Checked and rechecked sizing dies. Anybody else having this lead shaving issue?