Home / Accessory-Barrels / FN BBL AR-15 5.56MM 20″ M16 RIFLE View cart “Heckler and Koch (HK USA) BARREL HK45C 45ACP THREADED” has been added to your cart. Sale! FN BBL AR-15 5.56MM 20″ M16 RIFLE$29900 $27441 Out of stock 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! Heckler and Koch (HK USA) BARREL VP9 TACT 9MM 4.45″ THRD $27600 $24704 Sale! FN BBL AR-15 5.56MM 14.7″ M16 MID $29900 $27441 Sale! FN BBL AR-15 5.56MM 16″ M4 CAR $29900 $27441 Sale! CANIK BARREL TP9 ELITE SC 9MM BLK TB $8299 $7341