A design is in the works, and a prototype has been made, for a compensator that requires no barrel modification, has a unique mounting method that requires no permanent modification to the XD, would be user removeable, work on either 4 or 5 inch models. just would like to get an indication of how popular this would be with the group, and if interested, get a concensus as to were a reasonable price could be set. it would add weight to the front of the gun, reduce muzzle flip considerably, and not interfer or permanently alter any of the guns functions. i cant post any pictures at this point, nor can i elaborate quite yet on the mounting method. but let me say....it looks very sweet on the gun, is incredibly easy to both put on and remove, and from the looks of things is incredibly efficient in reducing muzzle flip.