PREUN - V3 Hybrid Low Resistance MOSFET for Tokyo Marui Spec Version 3 AEG Gearboxes aap-01 M4 upper receiversPackage includes: Handguard

M4 upper receiversPackage includes: Handguard

Designed for use with Elite Force GLOCK 17 gas blowback airsoft pistols

Compatibility: Any Negative 14mm Thread

Package Includes: 3 NINE BALL - Green Gas Injection Valves

Compatibility:  45

PREUN - V3 Hybrid Low Resistance MOSFET for Tokyo Marui Spec Version 3 AEG Gearboxes aap-01 M4 upper receiversPackage includes: HandguardFeatures Ultra compact MOSFET designed for Version 3 gearboxes Adjustable trigger sensitivity with 5 adjustable levels Programmable firing modes Active Braking for perfect shot management Precocking function for improved trigger response 2 stage trigger allows for extra tuning of the trigger functionality Binary trigger for faster semi auto rate of fire Rate of fire reduction mode for increased realism Low battery voltage alarm helps protect your