K'nex Hk416/ M4a1 By eLeMeNtLtd. in LivingLEGO & K'NEX1,5195Save PDFFavoriteIntroduction: K'nex Hk416/ M4a1By eLeMeNtLtd.FollowMore by the author:this isnt my gun i made it from youtube comment and rate and u getz a cookie :D
