■ Built-in hop-up system ■ Full auto (repeating) / semi-auto (single shot) switching type total length 255 mm / 328 mm (at stock extension) <br> Bullet 6 mm BB (0.12 g) <br> Power source AAA alkaline battery 4 pieces (* 1) <br> Number of bullets 22 Model name Mac 11 <br> Type Hand Gun (Automatic)