Pirate Arms MP5 Fixed Stock GBBR Hop-Up Unit Also includes a set of

Also includes a set of red lenses

High quality polymer construction

Suitable the Tokyo Marui AUG High Cycle models

The MCU (microcontroller unit) monitors and controls the trigger system and motor and can also detect safety issues with the gearbox

Pirate Arms MP5 Fixed Stock GBBR Hop-Up Unit Also includes a set ofSlim design and absolute top quality. This stock can be used to convert an MP5 A5 into an MP5 A4 or to replace a damaged MP5 A4 stock. Includes Receiver Pin and Butt Pad. Sling attachment point. Extremely solid plastic construction with metal sling plate. Butt Pad can be removed by sliding it downwards to access battery compartment. For Airsoft Models only. Black in colour.