no doubt bring "regulation" into play sooner, or later...more than likely sooner in places like California.
there are air guns that are now in the power range of some firearms, as we are well aware of.
where airguns are exempted from some rules, even in California, that will soon evaporate if fully moderated, firearm power equal, air arms are marketed; the "end" results of a shot(s) from either would be the same.
pistols are the foremost concern of legislators and law enforcement.
never squat while wearing your spurs...will rogers