I also love my piston gun. I and a few of my buddies run the adams arms set ups and have great luck with it. No baked on carbon is a huge time saver on clean up.
JYD#176 "dein Gott schickte mich zu zerstören" "Sic semper evello mortem Tyrannis" "Sometimes the chance of a zombie outbreak is the only reason I need to make many of my life's Decisions." General Delivery