Tagged as: 223/5.56 NATO  Semi-automatic  Rifle 

THIS IS BRAND NEW UPPER RECEIVER TEST FIRED ONCE. THIS UPPER RECEIVER IS A YANKEE HILL UPPER FLAT TOP WITH YANKEE HILL FREE FLOAT HAND GUARDS, LOW PROFILE GAS BLOCK, WITH CHARGING HANDLE. NO BOLT INCLUDED. 5.56 1.9 TWIST. CALL JACOB AT REDACTED IN DENVER NEAR 70TH AND WASHINGTON VIEWING IS DURING DAYLIGHT HOURS. I ANSWER PHONE CALLS FASTER THAN EMAILS