ar 15 pistols,Ruger,8572,300 Blackout View cart “Ruger AR-556 AR-15 Pistol 300 Blackout 10.5″ Barrel, Threaded, Aluminum Receiver, Black, M-Lok 30Rd Mag” 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 STOCKRuger AR-556 AR-15 Pistol 300 Blackout 10.5″ Barrel, Threaded, Aluminum Receiver, Black, M-Lok 30Rd Mag $1,254.42 Original price was: $1,254.42.$1,128.98Current price is: $1,128.98. Add to cart