Bought my Remington replica in 1972. Still shooting it.
Get an experienced shooter to train you, Curt Cearley was my mentor . It will save some major embarressment. Also a hole in your bedroom door and clothes hamper.
Have used many types of lube. Keep returning to crisco in a flat mustard squeeze bottle. Use hot soapy water to clean. Rinse with hot water and alcohol. Dry thourghly. and oil liberally.
Try squirrel hunting with it. It is fun to hear the bullit thumping branches and watch those same branches falling in slow motion.