Home / Accessory-Barrels / FN BBL AR-15 5.56MM 16″ M4 CAR You cannot add "Diamondback Firearms BBL AR-15 5.56MM 10" CAR" to the cart because the product is out of stock. Sale! FN BBL AR-15 5.56MM 16″ M4 CAR$29900 $27441 Only 1 left in stock FN BBL AR-15 5.56MM 16" M4 CAR quantity Add to cart SKU: 20-100046 Category: Accessory-Barrels Product ID: 25259 Description Description Chrome Lined Chamber and BoreM4 Style Feed RampsCarbine Length Gas System Related products Sale! Springfield Armory XDM 9MM 4.5″ THREADED BARREL $15999 $11881 Sale! Shadow Systems BARREL 9MM FS BLK FLT TB $23400 $19156 Sale! FN BBL AR-15 5.56MM 14.7″ M4 CAR $29900 $27441 Sale! Heckler and Koch (HK USA) BARREL P30 9MM THREADED $27600 $24704