Home / Accessory-Barrels / FN BBL AR-15 5.56MM 20″ M16 RIFLE View cart “CANIK BARREL TP9 SF 9MM GLD TB” has been added to your cart. Sale! FN BBL AR-15 5.56MM 20″ M16 RIFLE$29900 Original price was: $29900.$27441Current price is: $27441. Only 1 left in stock FN BBL AR-15 5.56MM 20" M16 RIFLE quantity Add to cart SKU: 20-100043 Category: Accessory-Barrels Product ID: 25256 Description Description Chrome Lined Chamber and BoreM4 Style Feed RampsRifle Length Gas System Related products Sale! Springfield Armory XDM 9MM 4.5″ THREADED BARREL $15999 Original price was: $15999.$11881Current price is: $11881. Sale! FN BBL AR-15 5.56MM 10.5″ M16 CAR $29900 Original price was: $29900.$27441Current price is: $27441. GLOCK THREADED BARREL G44 22LR PKG $15500 Sale! FN BBL AR-15 5.56MM 14.7″ M16 MID $29900 Original price was: $29900.$27441Current price is: $27441.