ARES E.F.C.S. Advanced Electronic Circuit Unit For ARES M4 Series Airsoft AEGs - Rear Wired sr30 Side mounted rail for RK

Side mounted rail for RK series (should work on most AKs with side mount with modification)

Magazine: AK 7

*SEMI to BURST in enhanced mode only

Fire Option: Semi

ARES E.F.C.S. Advanced Electronic Circuit Unit For ARES M4 Series Airsoft AEGs - Rear Wired sr30 Side mounted rail for RKFeatures: Precise magnetic sensors control piston position Reduce stresses on spring, increasing lifespan and a more stable muzzle velocity Requires less battery power to initiate motor Onboard ABC enhanced piston positions Able to withstand rapid semi auto fire Easy to adjust trigger stroke Fast trigger response Compatibility: ARES rear wired M4 series Airsoft AEG gearboxes Manufacturer: ARES