Home / Accessory-Barrels / Diamondback Firearms BBL AR-15 300BLK 10″ PIST View cart “FN BARREL AR-15 5.56MM 14.5″” has been added to your cart. Sale! Diamondback Firearms BBL AR-15 300BLK 10″ PIST$8800 Original price was: $8800.$8594Current price is: $8594. Out of stock SKU: 300P10H50B8-R Category: Accessory-Barrels Product ID: 39821 Description Description Pistol-Length Gas SystemHeavy Contour Related products GLOCK THREADED BARREL G44 22LR PKG $15500 Sale! CANIK BARREL TP9 SF 9MM GLD TB $19999 Original price was: $19999.$16517Current price is: $16517. Sale! FN BBL AR-15 5.56MM 14.7″ M4 CAR $29900 Original price was: $29900.$27441Current price is: $27441. Sale! SilencerCo BARREL BERETTA 92 9MM 1/2X28 $16900 Original price was: $16900.$14408Current price is: $14408.