Home / Accessory-Barrels / FN BBL AR-15 5.56MM 20″ M16 RIFLE 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! Beretta BARREL 92FS 9MM BLK THD $27900 Original price was: $27900.$21657Current price is: $21657. Sale! Shadow Systems BARREL 9MM FS BLK FLT $21100 Original price was: $21100.$17348Current price is: $17348. Sale! CANIK BARREL TP9 SF 9MM GLD TB $19999 Original price was: $19999.$16517Current price is: $16517.