Couldn't get anyone on the phone today but I'll expand my search here, someone has for sure done it.

So far what I know basically from what you can buy,,,,will need the controller round feed left hand bolt head, the extractor, detent ball and spring, think I can use the ejector from my current bolt head.

Where I'm still fuzzy is if I need a different firing pin, and bolt head retaining pin,,,,,,but I'll go home a measure what I have first,

Question is too, if I'll need the mag box a spring, but could get the bolt together and check that out