98 custom,20"J&J Ceramic,Maddman springs,Ben Tippmann Sealed Bolt System,Psycho ballistics star fire bolt,Dye Stickies 3,DOP aluminum power tube,Cyclone feed,darkHorizon Titanium lite Hammer,Palmer Pursuit Regulator,Special Ops Fixed stock,Bob Long mini gauge
It lets you know your operating pressure.
None that I could tell
I bought this gauge for 98 Custom to put on my Palmer Stabilizer so I could get an active reading of my pressure when I play.It does that well the only reason I got this instead of the 32* is because of the Bob Long logo on it ,It hasn't let me down but I imagine since it is a gauge there probably isn't a whole lot that could go wrong with it.
For 10 bux I am not one to complain(by the way the site I bought this from had the 32* for the same price)It does what I need it to do and thats it.