Phylax Advanced MK18 gen.2 (S-AEG) with built-in Gate Titan Mosfet.
Phylax is a German brand with high quality standards. This thing is a monster straight out of the box. You don't need to do anything else to it.
You get 6 Phenylax magazines, a 7.4V Li-ion Titan battery 3000mAh, and all attachments that come with this replica.
A Fenix flashlight with pressure pad, red dot with unity riser, and Tracer unit located in the suppressor.
With this set, you're all set in one go, and the fun will be endless for the day.