Smith & Wesson M&P15 AR-15 Complete Upper Receiver Parts Kit

The Smith & Wesson Complete Upper Receiver Parts kit are all genuine M&P AR-15 Rifle parts that you need to help build an AR Upper Receiver. Includes Forward Assist - Assembled, Forward Assist Spring, Forward Assist Roll Pin, Ejection Port Cover, Ejection Port Spring, Ejection Port Pin, Hinge Pin Clip.