ELEY tenex biathlon, performance against the elements. With over 180 years of heritage and experience, engineering excellence is central to the success of ELEY tenex. Our highly skilled engineers combine state of the art machinery with high speed electronic visual inspection systems and Six Sigma methodologies to produce the cartridges that have redefined .22LR accuracy across the world. ELEY tenex biathlon launched in 2012 following comprehensive research and development of biathlon sport, the
