I hunt coastal WA and it rains the whole season my shells stay in my blind bag in Ziploc Freezer Quart bags, heavier duty than sandwich bags, the ones that got put in my pockets get set on the kitchen table in front of the pellet stove before going back in the bag. I still have to fight rust on the shell head, with a green scrubbie and Johnsons paste wax.

After the first shot the rest are just noise.