Original U.S. Cold War Era Mk 89 Mod 1 INERT 56 Pound Practice Bomb Vickers MMG By releasing the small finger

By releasing the small finger release tab and operating the lever

The unit itself is a high quality

or Crash Helmet factories

The front of the helmet is marked with a yellow stripe

and they are fully functional

Original U.S. Cold War Era Mk 89 Mod 1 INERT 56 Pound Practice Bomb Vickers MMG By releasing the small fingerOriginal Item: Only One Available. This is a totally inert example of the Mk 89 practice bomb series and is in compliance with the current BATF guidelines on inert ordnance. This is a practice bomb and was never intended to hold explosive content, nor can it be rendered live again. Not Available For Export. The practice bomb Mk 89 Mod 1 is a low drag sub caliber practice bomb, similar in shape to the low drag series of general purpose service bombs.