Raven EVO TREMOR M4 AEG ra-tech the backpack is equipped with

the backpack is equipped with a built-in hydration pocket that can house either a Condor Torrent (Gen I & II) 2

Ball Bearing Quick Change Spring Guide (requires gearbox removal from a receiver)

o Adjustable Cheek Riser

The laser module emits a red laser beam

Everything that comes in BASIC

Raven EVO TREMOR M4 AEG ra-tech the backpack is equipped withThe newest line of models from Raven Evolution, the EVO series injects some much needed life into your standard M4! With a bold new body and handguard design, these are sure to revolutionize the game. Each rifle is equipped with our LEVIN metal gearbox that is precisely made and equipped with high quality internals to ensure durability. Each gearbox is equipped with our New FURION Programmable mosfet, 16 gauge silver coated wiring, high torque motor,