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
