Unboxing, installation and set up of the Perun ETU ++ in a G&G ARP9

In this video we will unbox the Perun ETU ++ mosfet. This is a drop in Mosfet for G&G replicas equipped with ETU's or electronic trigger units. Here we will take a look at the Mosfet, show you how to install the Mosfet in a G&G ARP9 and finally show off some of its features while setting it up. If you need help removing your ARP9 or 556 stock use this video:    • How to change the stock on your G&G ARP9. ...   If you would like a Perun ETU ++ for your replica get one here: https://www.airsoftworld.net/perun-g-... I hope you enjoy this video. If you would like more content from me then check out Rock Bottom Airsoft on Facebook and Instagram. Thanks for watching.