Magnum Research, Switchbolt Match Receiver, Semi-automatic, Action Only, 22 LR, Hard Coat Anodized Black Finish, Integral Picatinny Rail for Optics, Includes V-Block, Screws, Trigger Pins, and Buffer Pin

Aero Precision, M16A4 Clone Lower, Semi-automatic, 223 Rem/556NATO, Anodized Finish, Black

Aero Precision, M4A1 Clone Lower, Semi-automatic, 223 Rem/556NATO, Anodized Finish, Black

Aero Precision, M5, Semi-automatic, Stripped Lower Receiver, 308 Winchester/762NATO, Anodized Finish, Black

Aero Precision, M5, Semi-automatic, Stripped Lower Receiver, 308 Winchester/762NATO, Anodized Finish, Flat Dark Earth

Aero Precision, M5, Semi-automatic, Stripped Lower Receiver, 308 Winchester/762NATO, Anodized Finish, Kodiak Brown

Aero Precision, M5, Semi-automatic, Stripped Lower Receiver, 308 Winchester/762NATO, Anodized Finish, Olive Drab Green

Aero Precision, M5, Complete Lower Receiver, Semi-automatic, 308 Winchester/762NATO, Anodized Finish, Black, A2 Grip, Carbine Length Buffer Tube, No Stock

Aero Precision, M5, Complete Lower Receiver, Semi-automatic, 308 Winchester/762NATO, Anodized Finish, Black, Magpul MOE SL Grip, Magpul SL Carbine Stock

Aero Precision, X15, Gen 2, Semi-automatic, Stripped Lower Receiver, .223 Remington/556NATO, Aluminum, Anodized Finish, Black

Aero Precision, Standard Gen 2 Complete Lower Receiver, Semi-automatic, 223 Remington/556NATO, Magpul STR Stock, MOE Grip, Anodized, Black

Aero Precision, Gen 2, Semi-automatic, Stripped Lower Receiver, .223 Remington/556NATO, Cerakote Finish, Flat Dark Earth

Aero Precision, Carbine Complete Lower Receiver, Semi-Automatic, 223 Remington/556NATO, Anodized, Black

Aero Precision, M4E1, Semi-automatic, Stripped Lower Receiver, 223 Remington/556NATO, Anodized Finish, Kodiak Brown

Aero Precision, M4E1 PRO Stripped Lower Receiver, Semi-automatic, 223 Remington/556NATO, Anodized Finish, Black

Aero Precision, M4E1 PRO Stripped Lower Receiver, Semi-automatic, 223 Remington/556NATO, Anodized Finish, Olive Drab Green

Aero Precision, M4E1 PRO Stripped Lower Receiver, Semi-automatic, 223 Remington/556NATO, Anodized Finish, Kodiak Brown

Aero Precision, M4E1, Complete Lower Receiver, Semi-automatic, 223 Remington/556NATO, Magpul STR Stock, Magpul MOE Grip, Anodized, Black

Aero Precision, M4E1, Complete Lower Receiver, Semi-automatic, 223 Remington/556NATO, No Stock, A2 Grip, Anodized, Black

Aero Precision, M4E1 PRO, Complete Lower Receiver, Semi-automatic,223 Remington/556NATO, Anodized Finish, Black, Magpul MOE Grip, SL Carbine Stock