HM Defense used to produce parts for General Electric’s Aircraft Division prior to manufacturing firearms. It has amassed decades of engineering experience and is currently into the making of premiere tactical products, takers for which include the military. The company’s mission is to take forward AR15 / AR10 rifle technology and build firearms that are immensely accurate, convenient to maintain and reliable in challenging conditions. The lineup of HM Defense for sale is divided into HM Defense Rifles, HM Defense Pistols and HM Defense HM15 Components.