Looks like a decent base gun for a custom build. Lots of after market parts already so I would look to replace them. New properly fit beavertail, thumb safety, slide release etc... refinish and you have yourself a nice custom 70 series.
-Fast is fine, but accurate is final. The trick is learning to take your time when you're in a hurry." -Wyatt Earp
-Its a tool box... I don't care you put the tools in for the job that's all... -Sam from Ronin
-It is the mark of an educated mind to be able to entertain a thought without accepting it. -Aristotle
-Without deviation from the norm, progress is not possible.-Frank Zappa