The s&w m&p complete upper parts kit has the ll parts you need to finish a stripped upper.The kit includes a forward assist-assembled, spring and roll pin; ejection port cover, spring and pin and a hinge pin clip.
Finish: Black
Type: Upper Receiver
Model: Complete Upper Parts Kit
Dimensions: AR
Material: Various
Finish: Black
Type: Upper Receiver
Model: Complete Upper Parts Kit
Dimensions: AR
Material: Various