Feeding. It's a lever action obviously. It shoots really well and has lots of power (45-70) but it's nowhere near as reliable as my old (1950ish) Model 94. I've also noticed that some of the internal edges in the magazine tube are a little rough as well but that is more of a craftsmanship complaint than a function complaint.

I hope your Model 60 works flawlessly as I'd love to buy another one and would like to hear that Marlin (Remington) is making them well. If you Google search this website, there was a topic on 22 rifles a while back and the Marlins were well spoken of because of their rifling and accuracy. Hopefully this helps some.