Available to order $282.74 Aero Carbine Complete Lower Receiver, Semi-Automatic, 223 Remington/556NATO, Anodized, Black APAR501374
Available to order $369.99 BAD Workhorse, 223 Remington/556NATO, Anodized Finish, Black, B5 Stock, Complete Lower Receiver WH-LR-R-B5
Available to order $297.3 Aero M4E1, Complete Lower Receiver, Semi-automatic, 223 Remington/556NATO, No Stock, A2 Grip, Anodized, Black APAR600112
Available to order $375 Aero M4E1, Complete Lower Receiver, Semi-automatic, 223 Remington/556NATO, Magpul STR Stock, Magpul MOE Grip, Anodized, Black APAR600103
Available to order $333 Aero M4E1 Complete Lower Receiver w/ Strike Industries & Fixed Carbine Stock - Anodized