8500 View cart “Ruger AR-556 AR-15 5.56/223, M4 Flat Top, 16″ Barrel, Flip Up Sights, 30rd” 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 5.56/223, M4 Flat Top, 16″ Barrel, Flip Up Sights, 30rd $659.99 Original price was: $659.99.$593.99Current price is: $593.99. Add to cart