AMAMNN,I happened to run out of IMR4350 when I needed to load some hunting rounds.I would bet you it is the bullet and not the powder.The charge weight is the same.No sign of pressure change.Group size is satisfactory.These are hunting loads for a 30/06 and although the old powder may have been a few percent more dense,it's just a curiosity for me as opposed to a benchrest shooter.
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