The Ruger PC Carbine 9mm Diaries
This can be my Father in 1961 at a entice range. He would get hulls for Grandpa that the DA would spit out among rounds.The "lug" to the barrel actions about .920 and about .twenty has to be taken off the lug (.10 on both sides) for your barrel to fit a receiver having a narrower channel (don't act on this information- I received it above the cell