Home / Accessory-Barrels / FN BBL AR-15 5.56MM 20″ M16 RIFLE You cannot add "Heckler and Koch (HK USA) BARREL VP9 TACT 9MM 4.45" THRD" to the cart because the product is out of stock. 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! SilencerCo BARREL BERETTA 92 9MM 1/2X28 $16900 Original price was: $16900.$14408Current price is: $14408. GLOCK THREADED BARREL G44 22LR PKG $15500 Sale! FN BBL AR-15 5.56MM 16″ M16 MID $29900 Original price was: $29900.$27441Current price is: $27441. Sale! FN BBL AR-15 5.56MM 16″ M4 CAR $29900 Original price was: $29900.$27441Current price is: $27441.