Battle Arms Development AR15 Enhanced Modular Magazine Release Red. These Pistol Parts by Battle Arms Development are precision CNC machined from billet 7075-T6 aluminum and have excellent ergonomics for easy operation without needing to shift grip position. Choose the Battle Arms BAD-EMMR Extended Magazine Release for a flexible and robust design. Specifications for Battle Arms Development AR15 Enhanced Modular Magazine Release: Manufacturer: Battle Arms Development Finish: Anodize Fabric/Material: 7075 T6 Billet Aluminum Condition: New Package Contents: Battle Arms Development AR15 Enhanced Modular Magazine Release 2OS-EMR-AR15EMODMR Battle Arms Development BAD-EMMR-M-RED: AR15 Enhanced Modular Magazine Release Red