Stumbled into the American Gunsmithing Institute;s DVD on disassembling a nd reassembling the Remington 870 shotgun. Twenty bucks and includes a coupon for a free bore light.
www.AmericanGunsmith.comStill exploring, but many other offerings by this outfit.
Also got a freebie mini-DVD on the OTIS guide to properly cleaning firearms. Pretty sure they are online and a google or other search would find them.
My concern and confusion about the best cleaning and preserving products continues. It appears to be like ... and elbows, everybody has an opinion but trustworthy information a challenge to find.
Going to explore an outfit called "Dewey" that is supposed to be one of the premier gun cleaning tool and supply companies.