Description Product Details: CNC Machined Billet Aluminum 9mm Upper Receiver Flat-Top Upper Receiver Type 3 Black Hard Coat Anodized Finish M-4 Style Feed Ramps Made in the USA WARNING: This Product Can Expose You to Chemicals Including Lead, which is Known to the State of California to Cause Cancer and Birth Defects or Other Reproductive Harm. For More Information go to www.P65Warnings.ca.gov.
