GHM-9-G GBB SMG by Lambda Defense How To Build / Secret Mods

Hello Guys And welcome to the Second part of my Projectgun where I show you what I'm doing to the model to making it a beast and personalize it. I hope you are enjoying it. If you have any questions just hit me up in the comment section of on Instagram. Have a good day Guys! Insta: https://www.instagram.com/operatorkra... Discord:   / discord   #airsoft #review #hobby #airsoftgbb #howto