Aero Precision M5 Threaded Stripped Upper Receiver Uncoated

Aero Precision M5 Threaded Stripped Upper Receiver Uncoated. 7 oz Features of Aero Precision M5 Threaded Stripped Upper Receiver M4 Feedramps .2795 takedown pin holes Lazer engraved T-marks DPMS High Profile (.210) Tang) Package Contents: Aero Precision M5 Threaded Stripped Upper Receiver What firearm models does the manufacturer say Aero Precision M5 Threaded Stripped Upper Receiver is compatible with? The manufacturer says that Aero Precision M5 Threaded Stripped Upper Receiver is compatible with M5Aero Precision APAR308501C: M5 Threaded Stripped Upper Receiver Uncoated