It is going to be hard for anyone to tell you how to fix it. I will tell you that it involves several incantations of the demons who serve Cthulu, an adamantium hammer, at least 5 gigawatts of power, and more patience than Job, Mother Teresa, and Buddha combined.
Oh, yeah - and a lot of YouTube vids.
I had to channel the spirit of Bill Ruger himself. Once he appeared, he fixed it and then tried to sell me a P85 in mint condition.