M39 EMR (Enhanced Marksmen Rifle) By lukewilliams010 in LivingLEGO & K'NEX2,45214Save PDFFavoriteIntroduction: M39 EMR (Enhanced Marksmen Rifle)By lukewilliams010Follow More by the author: About: working on - getting more knex for the m14 that i am starting and also updating my mg42 More About lukewilliams010 »Model based on the M39 EMR battle rifle.