Desert Tech Micro Dynamic Rifle in 5.56mm — American-made semi-auto bullpup with forward brass ejection, quick-change barrel system, and ambidextrous design. Converts between calibers and barrel lengths without tools. Premium-tier bullpup with exceptional build quality. Type: Rifle Action: Gas-Operated Caliber: 5.56x45mm NATO Capacity: 10 Year introduced: 2017, USA Weight: 192 oz Overall length: 37" Status: Active Intended use: sport, hunting, self_defense