Grease,I like the Shooter's Choice Synthetic All-Weather High-Tech Grease or Tetra gun grease. For oil I use either Rem oil or Zoom Spout oiler High Temp non gumming turbine oil available at ACE hardware 4oz. about $2.
I make my own cleaning patches,bore cleaner,copper remover.
Lots of good info here.
http://www.frfrogspad.com/homemade.htm