Where to go for parts for M1 garand?

Where to go for parts for M1 garand? I'm in need of a Elevation knob.

Go here and join up. http://www.thecmp.org/forums/
Same here. http://www.milsurps.com/

Lots of people there with parts.

You might also try M1Garand.com

Fulton Armory and Bill Ricca are also good sources.

Claude at RAParts.com is excellent.