items 23 and 24 are drilled and tapped to receive an attachment means such as machine screws for attaching the invention to the section of the stock above the grip of the stock in the preferred embodiment these machine screws are u00bc u2033 diameter u00d7 u215d u2033 length and tapped to standard machine threads all external surfaces of the invention are machined to flat to ensure that the device attaches securely and aligned properly to the other elements of the weapon stock when in properly place on the weapon stock these two screws point upward and secure the device to the stock assembly in the preferred embodiment items 26 and 27 are machined and tapped cavities to receive four attachment means this attachment means secures and aligns the device from the rear end in the preferred embodiment these attachment means are 10 32 u2033 machine bolts the invention also includes a contact base 25 that extends down below the back end of the central stock this left side of this extended surface provides a contact surface for attaching a folding hinge piece or any other accessory item bolting on to the back end of the central stock in reference to fig4 the bottom view of the invention shows the two threaded holes 23 and 24 in addition to securing the invention to the central stock via these attachment means two ovular sections 26 and 27.