a propellant operated , single shot , silent stud gun attachment device used to attach various articles to structures . the device is particularly suited to use by military units for attachment of munitions or mines to structures such as bridges or buildings . the device utilizes an initiation device attached to a barrel in proximity to a cartridge containing a piston . the initiation of the cartridge is used to drive the piston into a stud and in turn drive the stud into a structure . the entire device becomes attached to the structure , thereby providing a means by which to quietly attach articles to the structure .