Aero Precision M4E1 Enhanced AR-15 Upper No Forward Assist Anodized Black - $109.99 The Aero Precision M4E1 Enhanced AR-15 Stripped Upper is a one-piece forging that combines the handguard mounting hardware with the upper receiver. This design allows for additional lightening cuts, resulting in

Aero Precision M4E1 Enhanced Upper, No Forward Assist - Black Anodize - $99.86 MPN#: APAR612201AC This upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Enhanced Upper Receivers, without provisions for a forward assist. The M4E1 Enhanced Upper Receiver is a

M4E1 Enhanced Upper, No Forward Assist - Anodized Black - $109.97 This upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Enhanced Upper Receivers, without provisions for a forward assist. The M4E1 Enhanced Upper Receiver is a one-piece design combining the

Aero Precision M4E1 Enhanced Upper Receiver, No Forward Assist, Anodized Black - $125 This upper receiver features the same tried-and-true construction and aesthetics as M4E1 Enhanced Upper Receivers, without provisions for a forward assist. The M4E1 Enhanced Upper Receiver is a one-piece design

Aero Precision - M4E1 Enhanced Upper Receiver Anodized Black - $124.99 Aero Precision APAR612201AC: This upper receiver features the same tried-and-true construction and aesthetics as Aero Precision's M4E1 Enhanced Upper Receivers, without a forward assist. This upper is designed to work with Aero