HK Army Etha 3 M Mechanical Paintball MarkerEclipse Mechanical Performance with HK Army Custom Graphics The HK Army Etha 3 M is a mechanical paintball marker designed to deliver a competitive mechanical marker experience without the premium price tag. It features unique HK Army custom graphics, and each marker may not match photography. The marker offers an updated ergonomic approach and performance focused upgrades including a quick release bolt assembly for easier access and maintenance, a