I have a 1973 Marlin Glendield Model 60 that my father law asked me to look at because the action was stuck closed. I was able to get it free by soaking in penetrating oil and then I broke it down and run it thru ultra sonic cleaner, lightly oil and reassembled. While working the action the it is gettin hung up going forward and back closed slightly but it can still move it with a little push. I don’t see any wear marks on the inside of the receiver or bolt. Can someone give me some ideas of what may be the issue please?