This rifle kit includes an R50 lower assembly that allows for easy conversion of your P50 into a short-barreled rifle. The robust stock is designed for both durability and versatility, folding neatly to either side of the gun for compact storage and enhanced maneuverability. To fold the stock, simply pull down on the stock rod to unlock it, then rotate it to your desired side. This efficient design adds convenience and adaptability to your P50, providing a more customizable shooting experience.