$596.89
Luth-AR Complete 16" Bull Rifle AR-15 Carbine Kit, MBA-3 Adjustable Carbine Buttstock Assembly, Complete Lower Parts Kit, 1:9 Twist, (Kit Does Not Include Lower Receiver) RKB-16-3
$1,989.16
Knights Armament Company SR-15, Carbine Mod2, Complete Upper Receiver, 556NATO, 14.5" Hammer Forged Barrel, Black Finish, MLOK 31949