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.
"Its a tool box... I don't care you put the tools in for the job that's all..." Sam from Ronin
The United States is a nation of laws: badly written and randomly enforced. -Frank Zappa
Without deviation from the norm, progress is not possible.-Frank Zappa