...Also, PC9 trigger uses the same guts as 10/22. Volquartsen kits, I heard, work really well. Kidd trigger job kit is not compatible with PC9 as it causes all kinds of interesting malfunctions.
PC carbine has its own part number in regards to the trigger packs.
I confirm: VQ HP Action Kit for 10/22 part number VC10HP-B-10 works in Ruger PC9. The only part that is 10/22 specific is the bolt buffer. I also kept the stock hammer spring.
The VQ kit cleans up trigger pull (not Strayer Voigt Inc. nice, but waay nicer than stock) and also adds adjustable overtravel (don't forget to loctite the adjustment screw) = shorter reset and faster splits.





























































