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Thanks for the input. Im going to toss this brass, lower the powder charge, and see what i get from there.
Quote from: Jellymon on February 04, 2017, 07:22:31 PMThanks for the input. Im going to toss this brass, lower the powder charge, and see what i get from there.Lowering the powder charge may actually make it worse. Win 296 (or H110) doesn't do well with reduced loads. You're right in the middle of the charge spectrum so I'd probably try going up to either 23.5 or 23.6gr. Win 296 burns cleaner and more efficiently towards the top loads.
Quote from: yorketransport on February 04, 2017, 07:51:42 PMQuote from: Jellymon on February 04, 2017, 07:22:31 PMThanks for the input. Im going to toss this brass, lower the powder charge, and see what i get from there.Lowering the powder charge may actually make it worse. Win 296 (or H110) doesn't do well with reduced loads. You're right in the middle of the charge spectrum so I'd probably try going up to either 23.5 or 23.6gr. Win 296 burns cleaner and more efficiently towards the top loads.Ok. Ill try that. Thanks.
It's just time to either anneal your brass or throw it out. The cases have work hardened from multiple firings and they just aren't expanding to fit the cylinder walls as tight any more. The black soot on the case is just like getting "smoked" case necks on well used rifle brass. Fresh brass will expand and seal off the chamber and limit the blow by gas/soot.I'd be willing to bet that those cases don't size as smoothly as they did on the first pass through a resizing or expanding die. It probably feels like it's grabbing more than it used to. I'd expect to start seeing cracked cases after a couple more loads on that brass.