I bought a new 686 PF Edition about 10 years ago. Hunted periodically with it, would say it doesn't have more than 400-500 rounds down the pipes. Gun has been cleaned after every hunt, regardless of rounds fired. I've never pulled the ejectors or the trigger group. The action is, and always has been, VERY stiff to open and close, despite my liberal application of white lithium grease on all hinge/contact surfaces. Am I doing something wrong, or is there a grease/lubrication point I'm missing?