Spike's Tactical M4 Multical Forged Upper Receiver
Spike's Tactical M4 Multical Forged Upper Receiver, Spike's Tactical Upper, Fits Ar Rifles, Black, Flat Top, Machined From A Mil-spec 7075 T6 Forging, With Forward Assist And Ejection Door Installed Product Type: Upper Finish/Color: Black Fit: AR Rifles Accessories: Forward Assist and Ejection Door installed Description: Machined from a Mil-Spec 7075 T6 forging