Home / Accessory-Barrels / Diamondback Firearms BBL AR-15 300BLK 10″ PIST View cart “FN BARREL AR-15 5.56MM 16″ MID” 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 Sale! FN BARREL AR-15 5.56MM 16″ MID $39900 Original price was: $39900.$35395Current price is: $35395. Sale! Shadow Systems G19 G3 9MM SLIDE ASSEMBLY OR $46900 Original price was: $46900.$37233Current price is: $37233. Sale! Shadow Systems BARREL 9MM FS BLK FLT $21100 Original price was: $21100.$17348Current price is: $17348. Sale! FN BBL AR-15 5.56MM 20″ M16 RIFLE $29900 Original price was: $29900.$27441Current price is: $27441.