I have a early 70`s 760, wood stock and all. I thought it was terrific as a kid until I ran into a buddy with a Sheridan. Once upon a time I thought I would fix it. Took it apart...…. Well now I know I`m not a gun smith. I have thought about having it restored and may pursue that but in the interim I would like another pellet slinger and all things considered figure I`ll buy a Daisy 880. I would like to know though, are the barrels people use to replace the current 760 barrel solid, one piece or they sleeved? Thanks for the info!