ar 15 pistols,Rock River Arms,AR2152,223 Remington 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 STOCKRock River Arms RUKI-15 AR-15 Pistol 223/5.56 NATO 4.5″ Barrel, SBA3 Tactical Arm Brace, 30rd Magazine $1,627.11 Original price was: $1,627.11.$1,464.40Current price is: $1,464.40. Add to cart