This stock, measuring 10-1/4" long, adds 3/4" to the length of pull to an A1 stock and 1/8" to an A2 stock, as well as nearly double the storage space. The underside features a grasping hook that allows the off hand to help stabilize the gun when using a bipod or front rest. Uses the standard A2 buttplate (not included). Made from a durable black polymer with a lifetime guarantee. No buttplate, buffer tube, buffer spring or buffer included. Standard A2 stock components fit this stock.