[ Airsoft ] AirTac Customs ESG Build Guide // Pt. 3 Grip Install / FCu Settings

last part going into detail on how to install an HPA grip. More details about messing with the FCU settings. ------------------------------------------------------------- Follow me on instagram https://www.instagram.com/iianferny/?... Sponsored by: Blowback Masters ( Hi Capa & G series parts ) https://blowbackmasters.com/ USE CODE "TATER" for 5% off Neppro USE CODE "FERNY" FOR 5% OFF AirTac Customs https://airtaccustoms.com/ USE CODE "TATER" for 5% off