Pine trees pulled the "drop a lump of snow on the lock" on me several times last winter. The first time I carefully cleaned off all the snow and replaced the prime. About the fourth time I just blew the snow off. She still fired fine. I've only been shooting the flinter seriously for a little over a year but I'm finding more and more they aren't as tempermental or subject to moisture as most hunters think. I had more trouble with repeated shots on a damp day than I've ever had in the woods in the snow. I found after a few shots I had to wipe the pan one day when the humidity was high. graybeard :imo: