My older AA hulls are starting to feel brittle. The mouth of the case is a little more ragged than fresh hulls. Would Armor All or silicone help or should I just chuck all the older ones? The oldes hulls I would get some powder darkening at the crimp and I chucked all of those.

"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli