A few months ago, when I was struggling with mine, I could have helped you. Now, since I gave up on it and got a Marlin 60 and Savage, what I learned has left me.
Rimfirecenteral.com is your best bet. Here are some tweaks you will need to do to get it running, which basically is to replace everything on it with a Voltquartsen or other quality third party component:
I do remember that tight fitting Butler Creek mags will cause jams. Supposedly, you want the mag loosely fitting. You can sand the mags, or the magwell.
There is also a tweak for the mags that consists of spraying silicon in the hole at the bottom and lubing the spring channel. That helps it feed more reliably.