We at Guns80 set the bar on low cost for a complete 80% rifle kit. This kit contains everything you need to complete your 80% project. The kit includes a completed and test-fired upper chambered in 223 Wylde, complete 6 position Mil-Spec butt stock kit, nitrided bolt carrier group (BCG), charging handle, and lower. The kit comes standard with Hybrid 80 lower set with jig and bits. This is THE "Black Ghost Rifle". Our rifles are all equipped with free-float uppers and nitrided BCGs, for better accuracy and durability.