Aero Precision M4E1 16" Threaded AR-15 Upper 5.56 NATO

AERO Precision 16" M4E1 Threaded AR 15 Upper The AR 15 Upper is a reliable and versatile choice for any AR 15 enthusiast. Features: M4E1 Threaded Assembled Upper Receiver ATLAS S-ONE M-LOK Handguard of choice 16" 5.56 CMV Barrel Low Profile Gas Block and Mid-Length Gas Tube Product comes assembled This complete upper does not include BCG or Charging Handle WARNING 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.