- Aluminum Constructed Magazine Extension 
- Lightweight Design, Same Weight As Original Base Plate
- 37 Rounds Extended BB Capacity 
- High Output Design, Fit For 3D Printed / Steel / Aluminum Slide Variants
- One Magnet Design For AAIPSC Competitions 
- 2-Color Options 
- Compatible With Tokyo Marui TM / Guarder Hi-Capa Gas Magazine Series