Description Features: Mil-Spec 6061-T6 Aircraft Aluminum Finish: Black Installed Latch: Cross-Pattern Steel Smooth Operation Under Extreme Conditions Fits: AR-15 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.