I necked sized some once fired Hornday brass for Savage 111 Long Range Hunter 6.5 creedmoor

I took measurements with the Hornady OAL gauge using 129 gr Hornady SST and to the lands measured 3.230. I wanted to begin my testing seated at .030 off the lands so I seated the bullet and using the Hornady OAL gauge I measured 3.200. When I tried to chamber the round the bolt was difficult to close and more difficult to open. I inspected the round and discovered some chafing of the bullet (see pictures). This chafing only appears on one part of the bullet not completely around it. I tried loading a cartridge with no bullet and the bolt closed easily. According to my measurements I should not be jamming the bullet so what could be causing this problem.


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