ARES E.F.C.S. Advanced Electronic Circuit Unit For ARES M4 Series Airsoft AEGs - Rear Wired Redline Air Stocks It features the Type 3

It features the Type 3 hop up system that was developed for the LM4 to improve range performance on the field

Not at all

CAN/CSA Z94

The inherent thickness of the ball-bearing assembly will also act as a spacer for the spring

ARES E.F.C.S. Advanced Electronic Circuit Unit For ARES M4 Series Airsoft AEGs - Rear Wired Redline Air Stocks It features the Type 3Features: 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