e3mrk. I appreciate the replies and the help, but if you remove a weapon from your bound book can you sell it if it's been modified? You said "I believe" and "Leads one to believe" in your reply. I'm not trying to be sarcastic, so please don't take it that way, but not being able to really interpet what we're allowed to do can lead to problems. A CZ52 in 9mm is not in it's original configuration, neither is the sportorized 91/30. Thanks for the replies.