Hey gang, I am sad to report that after much searching I have come to the conclusion that my 501 is officially lost for now. It was my main daily user. Yard work, fishing, hunting and a host of other uses it took care of quite well. I am looking for a folding Buck for all around carry and for the uses previously described. I've always liked the idea of back up blades and was wondering if the 301 is as durable as the 501 in terms of blade thickness etc. I don't have the option of handling on in person, so anyone with input I would greatly appreciate your 2 cents.