Marlin Camp carbine 9MM/45ACP M4 telescoping pistol grip stocks. These stocks have all the great features of our lightweight pistol grip stocks, but with the added benefit of an adjustable Length Of Pull M4 telescoping stock(See M4 stock description for all the details). They adjust from a youth stock to an adult with one pull of the stock. They are lightweight and very compact. Great for hiking, backpacking, guiding, riding in a car, or storage in your home. These stocks are hand assembled and quality checked.Made and assembled in the USA and carry the Choate lifetime guarantee.