Speed M4 SE2 AEG Tunable Trigger - Red

Speed Airsoft M4 AEG Externally Tunable Trigger SE2 Special Edition | Blade - next level tunable trigger with no gearbox modification required - great for experienced player - uses stock gearbox spring - one external adjustment and one internal adjustment - for gearbox with stock block switch or gearbox that has upgraded MOSFET board with microswitch - allowed even greater adjustability over M4 SE with more trigger performance improvement