DETAILS
This Lewis Machine & Tool M4 style flat-top upper receiver comes from the factory with forward assist and dust cover already installed. This forged AR-15 upper receiver is compatible with Mil-Spec parts and lowers. The flat-top picatinny rail features laser engraved T-marks to make it easier to put your optic back on in the same spot if you ever take it off. Hardcoat anodized black to military specifications, this LMT Upper Receiver is a reliable foundation for building a high-quality AR.