sorry it does not come with the upgraded LANGDON trigger

Paul, the Elite LTT Features include a Vertec M9A3 Slide with front cocking serrations, a dovetail fiber optic front sight with a square notch rear sight, a stainless 4.7 inch barrel with target crown, solid steel guide rod and a beveled rear slide. The frame is built on a M9A1 frame with checkering on front and back strap, a beveled magazine well with no lanyard loop. It includes the exclusive radiused trigger guard and rear slide rail, the ultra-thin VZ/LTT G10 grips with stainless steel trigger and hex head grip screws. The Elite LTT comes equipped with an oversized magazine release button, a D Model Hammer Spring and skeletonized lightweight hammer. Details here : -- youtube.com/watch?time_continue=3&v=HUp6gOEOCCI&feature=emb_logo