Durable stainless steel construction

The F1 uses a custom solenoid designed by PolarStar and manufactured by MAC Valves

OVERALL LENGTH: 55

and QUAKE recoil stock

Echo 1 Motor Short polar star Durable stainless steel constructionThe Echo1 Max Speed (Short) motor is a breakthrough product for the AEG airsoft gun industry. Promising faster rotations and greater torque in one package, this new motor will take your high powered Automatic Electric Gun to the next level! For those of you who seek for ultra high rate of fire performance, Echo 1 has the answer, with the release of this Max Speed motor which surpasses the current performance of the Marui EG1000. This performance can