Update, I received a drum and nipple today . I used teflon tape and screwed in the drum, then a grease fitting in the nipple threads. I was able to push out the load with a grease gun, I couldn't have done it without my powered grease gun. My shoulder is still not well but I couldn't wait.
I then blew out most of the grease with compressed air. Cleaning the grease out was a joy.
Just kidding! It was a nasty mess but I cleaned it out .
I'll have to work on the barrel, cleaning it, possibly lapping, but at a slow pace. Thanks for all who have replied with advice, this rifle will shoot eventually! Dan