MIL-M-70542, MILITARY SPECIFICATION: MUZZLE BORESIGHT DEVICE 11785384 (M26 FOR M105MM GUN TUBE) (25-FEB-1985)

MIL-M-70542, MILITARY SPECIFICATION: MUZZLE BORESIGHT DEVICE 11785384 (M26 FOR M105MM GUN TUBE) (25-FEB-1985)., This specification establishes the requirements and quality assurance provisions for the cased series of the Muzzle Boresight Device 11785384 (M26 for M105MM Gun Tube), herein referred to as MBD, which is used for precise sight alignment facilities required by modern high performance gun barrels.