Selling an excellent to like new condition Colt AR15 SP1 20" barreled upper. Includes complete and original Colt 20" barreled triangular handguard SP1 upper (less bolt carrier group and charging handle), complete and original Colt A1 buttstock group (including buffer tube, buffer and spring) and original pistol grip. All Colt and all parts came from same rifle, an SP1 with serial number 172786. 98%+ original finish. Colt grey in color and upper is large hole. Price is $325 shipped to your door in continental US. SOLD!!!