ar 15 pistols,Diamondback Firearms,DB15P300B10,300 Blackout View cart “Diamondback DB15 AR Pistol, .300 Blackout, 10.5″, 30rd, Black” has been added to your cart. Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! IN STOCKDiamondback DB15 AR Pistol, .300 Blackout, 10.5″, 30rd, Black $1,094.16 Original price was: $1,094.16.$984.74Current price is: $984.74. Add to cart