I lube clean hulls and tap them into the die flush with the base using a rawhide mallet and tap them out with a wood dowel that is a good fit inside the hull. I have not annealed the hulls as I do not use any crimp just secure the overshot card with Duco cement. (clean the interior with a copper fitting cleaning brush to remove any left over glue residue). After many uses I have had a few show a small split at the mouth and even fewer with a split down the hull. There have been very few failures and they will last for many reloads. I use these some in 3 hammer guns so the size die is necessary for me. Look for them as they will show up now and then. Great fun using them with black powder!
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