Colt large trigger and hammer pins. Large front pivot pin, sear block. Jewell trigger, Rock River float tube. Front sight housing is windage adjustable. Stainless steel Kreiger barrel with 3900 moly coat rounds through it. All load data for Sierra 52, 69, 77 and 80 grain bullets. Guaranteed legal preban with bayonet lug and flash hider. Comes with butt stock weight and two 20 round magazines. Rear sight is a Smith Enterprises with White Oak Precsision pins. Hard to improve on. E-mail for more details. $1800 plus shipping to your FFL.