Selling my like new in box echelon comp 4.0. Has an ITTS trigger in it, comes with everything from factory (2mags, optic mounting system, soft case, box.) Also comes with 22 round tyrant cnc mag extension in gold. Literally only put 50 rounds through this gun it is flawless. Also bought the holosun 509T X2 brand new which can be sold with or without. $ 1100 with optic, $800 without. No trades. Must be legal to own firearm in AZ and show ID preferably CCW.