- WE (WE-TECH) 50rd Long Type Gas Magazine for WE Toucan Big Bird M&P Series GBB Pistol.- Made out of metal.- High tension spring.- Suitable for WE-Tech Big Bird M&P and M&P Compact series GBB Pistol.- Power Source: HFC 134a / HFC 22 / Green Gas - Color - Black- Weight - Approx 414g- Capacity - 50rd- Bullet type - 6mm BB- Original Packing