AERO PRECISION M4E1 Black Carbine Complete Lower Receiver with A2 Grip (APAR600112)

A2 gripM4 stockMil-spec lower parts kitCarbine receiver extensionAR15 carbine buffer and springWorks with standard AR15 components and magazines The M4E1 Compl

A2 gripM4 stockMil-spec lower parts kitCarbine receiver extensionAR15 carbine buffer and springWorks with standard AR15 components and magazines The M4E1 Compl

Mil-spec lower parts kitCarbine receiver extensionAR15 carbine buffer and springStandard lower parts kitThis complete lower does not include a stock The AR15 Carbine Complete Lower Receive

AR15 Gen 2 lower receiverMagpul MOE gripMagpul SL carbine stockCarbine receiver extensionAR15 carbine buffer and springThese parts are installed The Aero Preci

Magpul MOE gripMagpul STR stockMil-spec lower parts kitCarbine receiver extensionAR15 carbine buffer and spring The M4E1 Complete Lower Receiver is the perfect base for your custo