The ZEV MEGA Billet Lower Receiver was designed to complement the enhanced features of the MEGA MATTEN rifle product line while retaining compatibility with SR25/DPMS pattern accessories to give you the most options for completing your build. All receivers are precision-machined from solid billet aluminum and are held to extremely tight tolerances and high quality standards to ensure consistent fit and function. With its ambidextrous features, light weight, and superior finish, the MEGA MATEN Billet Lower Receiver is the perfect foundation for any rifle build. FeaturesBillet Aluminum ConstructionIntegrated Trigger GuardFlared Magwell