Empire BT-4 Combat ERC Black Airsoft Guns * Picatinny Weaver Rail for

* Picatinny Weaver Rail for Optics

"Split" aluminum slide for improved efficiency

3D EVA Foam molded belt with micro injection rubber logo

shorter dwells

one of which can be assigned to the FA position on the external switch

Empire BT-4 Combat ERC Black Airsoft Guns * Picatinny Weaver Rail forCompact and durable marker ideal for stealth with offset Slideaway Feedport. In addition to the features below, it also comes with the Rip Clip feed system AND E frame factory installed. For a limited time only, it will ship from PB Sports with a FREE Apex barrel as well! Features: Tournament legal external velocity adjuster Removable grip frame for quick and easy upgrades Easily accepts expansion chambers, vertical and horizontal bottle adapters