This is a 6 inch 40 caliber limited gun with, wilson ambi safetys blended in, svi trigger installed, Bull BBL by schuman,Tungston guide rod,Dawson front and back sight with fiber in front, drilled and tapped mag release, Dawson Ice mag well and a Koening speed hammer. It was purchased from a shop in Washington new he said at the time that Trip was building these from him but I really have no way of knowing. It is in excellent shape with little use, shoots very well and is tight. It has ran 100% with grams mags in it, so you are not buying someone else's problems here. All for 1900 plus shipping to your dealer.