11 years old, last 3 in storage. I’d like to find out the best ways to service it prior to shooting, short of taking it to a gunsmith (but of course that is an option; there is an air gun capable gunsmith nearby). I have searched YT videos to no avail. One of my specific questions is where to apply silicone chamber oil. I also know I will have to perform a thorough barrel cleaning prior to shooting due to expected degradation of its surface while stored. Thanks in advance.