The Meyn Arms MS-12 is a weapon in Just Cause: Paradiso Islands.
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Meyn Arms MS-12


It is a pump action shotgun. It is much more powerful than the Meyn Arms Hammer, doing 124 damage all pellets combined. It is much rarer than all the other shotguns, very rarely being found in gun cabinets or on any of the PIM forces. The only guaranteed way to get it is completing the mission Chekov. It has a capacity of 10, with a max of 120 in reserve.


  • It is based on a heavily customized Remington 870.
  • It's made by Meyn.

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