XTS UPPER RECEIVER ASSEMBLY - .223/5.56 NICKEL BORON BCG by Xtreme Tactical Sports $154.95 Plain EPC - $154.95 US Flag EPC - $159.95 Plain EPC US Flag EPC Style 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart XTS UPPER RECEIVER ASSEMBLY INCLUDES: CHARGING HANDLE FORWARD ASSIST EJECTION PORT COVER (PLAIN OR US FLAG VERSION) NICKEL BORON BOLT CARRIER GROUP