I am in need of some parts for a '79 vintage Marlin 39A and can't seem to find anyone who has the carrier.
Anyone who knows a good source of parts for these rifles, I would appreciate the help.

http://www.e-gunparts.com/

That's the website for Numrich.

Bobby .. I too am looking for a 39A part.. 50's vintage .. Numrich has parts listed but .."not available" .. I need a hammer , the newer ones are shaped a little differently and will not assemble .. I have a feeling we are in the same boat and it is sinking !!.. if anyone out there has an older 39A that they will let go for parts I think you have 2 sales right here ..

try gun-parts.com

Thy and give Jeff Lee a call at 972-790-0773. He is in Texas and is only open three days a week. I have not needed any Marlin parts in a long while so I have not given him a call. But if he is still around I would bet he will have what you need. Michael