Ok, my issue is as follows. Please offer only helpful advice. I have a Marlin 336. I have disassembled it and completely cleaned all of the parts thoroughly and reassembled exactly as per marlins directions. Everything functions fine and the bolt slides right up into place and the lever closes as it should. The problem: It won't open back up!!! I have disassembled and reassembled several times trying to eliminate the problem and I just don't see it. Anyone else have this problem? What am I doing wrong? Everything is clean and lightly oiled. Everything is in its proper location, the bolt isn't stuck because it slides back and forth manually before lever is installed. I have not reassemble the tube yet. Would that make a difference? Im sure it's something trivial that I am just overlooking. Thanks in advance for any help.