Knex Pistol With Magazine By KNEX GUN BIULDER in LivingLEGO & K'NEX2,5222Save PDFFavoriteIntroduction: Knex Pistol With MagazineBy KNEX GUN BIULDERFollow More by the author: About: i just like knex lol More About KNEX GUN BIULDER »the trigger is nooby but the gun fires pretty quickly its small and portable.