So I loaded up a bunch of .270 with a known recipe that is my go to recipe. I checked to verify they cambered after a threw a couple together and finished loading the rest (200 rounds). First three I shot at range were pretty sticky I didn't have to beat the bolt back, but I did have to grab it and really yank it back. I looked at first sticky brass and the primer was ever so slightly cratered, but no other signs of pressure so I repeated that 2 more times. After the third one I put the rifle up and zeroed the AR and .243. I got back to the shop and pulled the bolt cleaned the hell out of the chamber. While I was doing that I seen something wierd in the corner of the chamber so i grabbed my bore scope and found a small piece of putty left over from the bedding job I did 2 years ago. I have put 100's of rounds through this thing since then. Countless chamber cleans. My question is could that have sealed something up causing the pressure spike? I havn't shot it since cleaning that out yet, but plan to tomorrow. I really really hope I don't have to pull 197 rounds.
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