I wasn't aware that PSA was making piston guns. Are you referring to the adjustable gas block? That should be an Allen wrench. Just go buy you a good set of Allen wrenches.
Looked outside a little bit ago. All 3 pyrs were killing this groundhog.
After it was dead Tucker took it from the other two. He is just setting out there with his prize growling at the other dogs when they come close.
The gas tube is the limiting factor there. It is only so big. The gas port can be larger than the gas tube but there can only be so much gas going down the tube. The upper limit is the ID of the gas tube.
What I don't understand is with all the recent Supreme Court decisions why do they pass laws that will probably be overturned. It costs money to fight in court to keep these screwed up laws.
Are these people crazy or just plain stupid?