KNEX STEN GUN Mk2 By knexcreator141 in LivingLEGO & K'NEX1,92616Introduction: KNEX STEN GUN Mk2By knexcreator141FollowMore by the author: The knex sten gun, the original used in WW2 and a DLC weapon in Advanced Warfare and in Zombies on Black Ops 3 the knex version does not shoot.