Originally Posted By: ken/kebco
These were sabot's shot through a new rifled barrel. The barrel was proofed. I have had a couple of reports all with the same mfg of shells. And the reports was that it was not the first shot in the session, could a piece of the sabot from the previous shot be left behind?


Could this be a "dirty burning" load that causes the sabot of the next shot to hang up in the rifling and thus cause a pressure spike?

Steve