$1,034.41
Colt's Manufacturing Complete Upper, 223 Rem/556NATO, 11.5" Lightweight Barrel, Black Finish, Fits AR Rifles, Folding Front Sight, Magpul Rear Back Up Iron Sights, Integrated Rail LE6943CK
$820.77
Colt's Manufacturing Complete Upper, 223 Rem/556NATO, 11.5" Lightweight Barrel, Black Finish, A2 Fixed Front Sight, Magpul BUIS Rear Sight LE6933CK