Masterchief does another review for Rules of Engagement and covers the two AEGs from Lone Star series of Evolution Airsoft... "The Hardcore Series are the top-class products within the Evolution Airsoft products family. The Hardcore Series guns are designed to meet the demand for superior-quality products coming from professional airsoft players looking for performance and ultimate realism. For their sophisticated technical features the Evolution Airsoft Hardcore Series guns are the state of the art in the airsoft industry. The ultimate realism, perfect finishing and attention to details make the Hardcore Series the most wanted item also by collectors."

You can find two here:

• Evolution Lonestar Border Patrol M4
• Evolution Lonestar Border Patrol SBR