The LaRue Tactical M4 Stealth 1.0 Upper Receiver is the same quality receiver you've come to expect from Larue rifles and uppers. This stripped version allows you to build a quality rifle from the ground up, to your specifications. This CNC machined LaRue Billet Match Grade Upper can be installed on any mil-spec lower receiver. LaRue Uppers are highly desired for their consistency and accuracy. FeaturesBillet AluminumT MarkingsM4 FeedrampsForward AssistEjection Port Cover