My wife gave me this gun back in 1990. She got it from someone her dad worked with at the time. I have hardly ever fired it since she gave it to me. 2 magazines max. It has sat in the closet since then. My dad wanted to get his CCP so I agreed to go with him to the class so now I am starting to take more interest. I was looking for something cheap to shoot and saw the conversion kits from advantage arms. So in looking to try to find out my generation, it looks to be a generation 1 (at least tit does to me). Now I have a couple of questions. Is it safe to shoot? Saw there were required upgrades that I know I've never done. Second question is what is it worth? I am assuming I would decrease the value if I swap the barrel and slide. Just don't want to mess anything up or do anything stupid.