Radical Firearms Upper Assembly 7.5 inch 5.56 M4 Contour, A2 Flash Hider, No Charging Handle, No Bolt Carrier Group.

The Radical Firearms 10.5" M4 Upper Receiver is a flat top, law-enforcement grade, drop in receiver, ready to be mounted to any Mil-Spec AR-15 lower receiver. This fully mil-spec compliant receiver provides a high-quality upper for any level budget or shooter. 

Product Code: FU7.5-5.56M4-7FCR

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