AR0990C View cart “Rock River Arms Complete Lower Half, AR-15 Two Stage Trigger, CAR Stock 5.56/223, Multi” 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 STOCKRock River Arms Complete Lower Half, AR-15 Two Stage Trigger, CAR Stock 5.56/223, Multi $367.99 Original price was: $367.99.$331.19Current price is: $331.19. Add to cart