This kit contains everything you need to build your own AR except the stripped lower receiver. The Kit Contains: Fully assembled 16″ .223 Rem Fluted Bull Barrel Upper with 15″ Keymod Palm Handguard(R)” MBA-3 Adjustable Carbine Buttstock Assembly” Complete Lower Parts Kit. This Kit does not come with the lower receiver. You will have to supply a lower receiver purchased elsewhere. A Milspec lower is recommended.
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