This Pre-ban COLT AR15 has four digit serial number CH01XX, made in 1993.  It has a 20 inch Heavy Barrel 1/9 Twist. 8.5 lbs w/o scope.  All original except it has  LaRue TWO stage custom trigger installed.  This model has No Block behind the trigger, so can accept a Full Auto Sear.  The scope mount is COLT, BSA 4-12 Scope plus standard Colt Carry Handle.  Two 20 round COLT magazines and a soft case included.  It has been fired less than 250 rounds since bought new.  AZ DL and bill of sale required.