marks

I finally got to break in my new bolt action 6.5 PRC last night and to my dismay an ejector swipe / mark was left on every factory round (Hornady 143gr ELD-X). I loaded up 20 rounds with charges of H1000 from 55-57gr using 147gr ELD-M bullets (2.94" OAL) and saw the same marks. Any ideas on...