Been fiddling around with my pneuMag setups over the past couple of weeks. Still tweaking, but getting close where I want to be on them. I starting thinking about it though, and was wondering why are there no fully pneumatic production markers out there? Or are there and I am not aware of them? If I understand properly an AC is pneu assist, but still essentially a sear tripper right? Has it not been pursued due to the ease of using electronics? Seems like there would be a niche market for such a thing. And not something retrofitted, but an actal marker designed from the ground up.