Black Frog (Field Rental Only Gun), used bad shape, leaks and prob doesn't cycle need a cleaning! Very bad shape, has rental numbers cut into it. Used Mayhem body and sort of a nova frame but is all Mechanical. Can be left right or center feed with rotating breech to get different feed. Has PGI bottomline regulator (doesnt fit standard threads). Grip frame has PGI/Nova/ACI Sports bottomline holes and standard bottomline holes for a standard regulator. Missing plastic back lp line cover plate but works without it. Spyder threads. Needs a good cleaning and a total rebuilt. Made by PGI as a rental gun.