I'm glad I got in on this and am surprised more people haven't.
It won't kick like a lot of other guns because it isn't a blowback design. There will be some slight movement due to the mass of the moving bolt, but
Got 'em on, not as bad as I thought they'd be.
Next step? Gotta order a 45 degree elbow, two new air nozzle things, and braided hose. I'm