this link no goodWelcome back to the both of you...
I believe the manual provided by the gun manufacturer has all the essential facts on maintenance and lubrication you could need...as well as a copy of the manual that can be downloaded at their websites should it be missing from the box.
Mossberg Website link for manuals:
http://www.mossberg.com/content.asp?ID= ... on=service
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this link no good
well you fixed it ! ThanksGee, a link went bad after only 7 1/2 years? Who would expect that?
https://www.mossberg.com/service/owners-manuals/