ATI Milsport Complete Upper 5.56mm 7.5" Barrel 1:8 Twist 7" MLOK C-CLAMP w/Bolt Carrier Group and Charging Handle

California Proposition 65 WARNING: This product can expose you to chemicals that are 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